Number 12

Number 12 is said 🔊, write in letters as follows: twelve . Ordinal number 12th is said 🔊 and write: twelfth. The meaning of number 12: Basic maths, advanced mathematics and properties, computer science, numerology, codes and images, writing and naming in other languages, other interesting facts and comments. Number 12 in News.

Useful information about number 12

The decimal (Arabic) number 12 converted to a Roman number is XII. Roman and decimal number conversions.
The number 12 converted to a Mayan number is mayan number 12
Decimal and Mayan number conversions.

Weight conversion

12 kilograms (kg) = 26.5 pounds (lb)
12 pounds (lb) = 5.4 kilograms (kg)

Length conversion

12 kilometers (km) equals to 7.456 miles (mi).
12 miles (mi) equals to 19.312 kilometers (km).
12 meters (m) equals to 19.312 feet (ft).
12 feet (ft) equals 3.658 meters (m).
12 centimeters (cm) equals to 4.7 inches (in).
12 inches (in) equals to 30.5 centimeters (cm).

Temperature conversion

12° Fahrenheit (°F) equals to 53.6° Celsius (°C)
12° Celsius (°C) equals to -11.1° Fahrenheit (°F)

Power conversion

12 Horsepower (hp) equals to 8.82 kilowatts (kW)
12 kilowatts (kW) equals to 16.32 horsepower (hp)

Codes and images of the number 12

Number 12 morse code: .---- ..---
Sign language for number 12:
Sign language for number 12 Sign language for number 12
Images of the number
Image (1) of the numberImage (2) of the number
Number 12 black image Number 12 red image
There is no copyright for these images. Number 12 infographic.
More images, other sizes, codes and colors ...

Photo of number 12

Photo of the number 12

Gregorian, Hebrew, Islamic, Persian and Buddhist year (calendar)

Gregorian year 12 is Buddhist year 555.
Buddhist year 12 is Gregorian year 531 a. C.
Gregorian year 12 is Islamic year -629 or -628.
Islamic year 12 is Gregorian year 633 or 634.
Gregorian year 12 is Persian year -611 or -610.
Persian year 12 is Gregorian 633 or 634.
Gregorian year 12 is Hebrew year 3772 or 3773.
Hebrew year 12 is Gregorian year 3748 a. C.
The Buddhist calendar is used in Sri Lanka, Cambodia, Laos, Thailand, and Burma. The Persian calendar is official in Iran and Afghanistan.

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Mathematics of no. 12


Multiplication table of 12

12 multiplied by two equals 24 (12 x 2 = 24).
12 multiplied by three equals 36 (12 x 3 = 36).
12 multiplied by four equals 48 (12 x 4 = 48).
12 multiplied by five equals 60 (12 x 5 = 60).
show multiplications by 6, 7, 8, 9 ...

Fractions: decimal fraction and common fraction

Fraction table of 12

Half of 12 is 6 (12 / 2 = 6).
One third of 12 is 4 (12 / 3 = 4).
One quarter of 12 is 3 (12 / 4 = 3).
One fifth of 12 is 2,4 (12 / 5 = 2,4 = 2 2/5).
show fractions by 6, 7, 8, 9 ...



Advanced math operations

Is Prime?

The number 12 is not a prime number. The closest prime numbers are 11, 13.
12th prime number in order is 37.

Factorization and dividers

Factorization 2 * 2 * 3 = 12
Divisors of number 12 are 1 , 2 , 3 , 4 , 6 , 12
Total Divisors 6.
Sum of Divisors 28.


The second power of 122 is 144.
The third power of 123 is 1.728.


The square root √12 is 3,464102.
The cube root of 312 is 2,289428.


The natural logarithm of No. ln 12 = loge 12 = 2,484907.
The logarithm to base 10 of No. log10 12 = 1,079181.
The Napierian logarithm of No. log1/e 12 = -2,484907.

Trigonometric functions

The cosine of 12 is 0,843854.
The sine of 12 is -0,536573.
The tangent of 12 is -0,63586.

Properties of the number 12

Is a Friedman number: No
Is a Fibonacci number: No
Is a Bell number: No
Is a palindromic number: No
Is a pentagonal number: Yes
Is a perfect number: No

Number 12 in Computer Science

Code typeCode value
Unix timeUnix time 12 is equal to Thursday Jan. 1, 1970, 12:12 a.m. GMT
IPv4, IPv6Number 12 internet address in dotted format v4, v6 ::c
12 Decimal = 1100 Binary
12 Decimal = 110 Ternary
12 Decimal = 14 Octal
12 Decimal = C Hexadecimal (0xc hex)
12 MD5c20ad4d76fe97759aa27a0c99bff6710
12 SHA17b52009b64fd0a2a49e6d8a939753077792b0554
More SHA codes related to the number 12 ...

Numerology 12

The meaning of the number 2 (two), numerology 2

Character frequency 2: 1

The number two (2) needs above all to feel and to be. It represents the couple, duality, family, private and social life. He/she really enjoys home life and family gatherings. The number 2 denotes a sociable, hospitable, friendly, caring and affectionate person. It is the sign of empathy, cooperation, adaptability, consideration for others, supersensitivity towards the needs of others. The number 2 (two) is also the symbol of balance, togetherness and receptivity. He/she is a good partner, colleague or companion; he/she also plays a wonderful role as a referee or mediator. Number 2 person is modest, sincere, spiritually influenced and a good diplomat. It represents intuition and vulnerability.
More about the meaning of the number 2 (two), numerology 2 ...

The meaning of the number 1 (one), numerology 1

Character frequency 1: 1

Number one (1) came to develop or balance creativity, independence, originality, self-reliance and confidence in the world. It reflects power, creative strength, quick mind, drive and ambition. It is the sign of individualistic and aggressive nature.
More about the meaning of the number 1 (one), numerology 1 ...

Interesting facts about the number 12


  • (12) Victoria is asteroid number 12. It was discovered by J. R. Hind from George Bishop Observatory on 9/13/1850.

Aircrafts and flights

  • 'The Lockheed YF-12' was a prototype interceptor aircraft developed by the American company Lockheed for the United States Air Force as a derivative of the secret CIA Lockheed A-12 aircraft, from which the now famous aircraft of SR-71 Blackbird strategic reconnaissance.
  • 'The Lockheed A-12' was a reconnaissance aircraft built for the CIA by Lockheed through its Skunk Works. Its single-seater design, which first flew in 1962, was a precursor to the USAF YF-12 interceptor and the SR-71 Blackbird reconnaissance aircraft.

Areas, mountains and surfaces

  • The total area of South Island is 56,308 square miles (145,836 square km). Country New Zealand (Canterbury, Marlborough, Nelson, Otago, Southland, Tasman and West Coast). 12th largest island in the world.



  • A foot (naturally occurring unit of length) is 12 inches.
  • The human body has 12 cranial nerves.

In other fields

  • 1 year is 12 months.
  • The tree of life has 12 different types of fruits.
  • The duodenum (derived from the Latin origin term 'duodecim', meaning 'twelve') is part of the small intestine and in an adult it measures approximately 12 inches in length (30.5 cm).
  • For the Greeks, the Olympian gods of the Pantheon were 12, as well as a dozen works commissioned to the mythical Roman hero Hercules as penance.
  • The American writer F. Emerson Andrews founded The Duodecimal Society on April 5, 1944 with the aim of researching and educating 'in mathematical science, with special dedication to the use of Base Twelve of numbering, in mathematics, weights and measures'.
  • The secret number of Gaudí's Sagrada Familia temple is 12. All the proportions of the construction elements involve the divisors of 12, a figure that allows a very rich factoring and its division into halves and thirds.
  • Hate Symbol: The number 12 is a number symbol for Aryan Brotherhood groups (as are numbers 1 and 2 separately), especially Aryan Brotherhood of Texas. Substituting letters for numbers, 12 equals AB, that is, Aryan Brotherhood. Números del mal.
  • Puerto Nº 12 is a red wine from the DO Valencia, Spain.
  • Dreaming of the number 12 means the integration of society and the group to which you belong.


  • 12 is the smallest abundant number.


  • 'D12' (acronym in English derived from Detroit), also known as The Dirty Dozen and D-Twizzy, is a hip hop group originally from Detroit, Michigan. D12 was formed in 1990, but they only achieved success in the rap world when Eminem, the group's leader, achieved international fame at the turn of the century.
  • 'The 12 Disciples' or' Qutate Tu Pa 'Ponerme Yo' is a song by Eddie Dee.
  • '12 dage 'is a song by the Danish singer Medina.
  • '12 Gatsu no Kangaroo '(12 月 の カ ン ガ ル ー, December Kangaroos), is the 16th single by Japanese idol girl group SKE48.
  • '12 Byō '(12 秒 Jūni-byō, lit. '12 Seconds') is the fifth single by Japanese idol group HKT48.


  • The New Jerusalem, the city of heaven, is described as having thick walls, symbolic of the 12 tribes and the 12 Apostles.
  • According to the Bible, Jacob had 12 sons, and in this same book it is mentioned that there were 12 tribes of Israel and 12 apostles.
  • It represents the Church and the authority of God in the Bible.
  • There are 12 gates of Paradise.


  • Magnesium is the chemical element in the periodic table that has the symbol Mg and atomic number 12.


  • The best athletes to wear number 12
    Tom Brady, NFL; Joe Namath, NFL; Terry Bradshaw, NFL; John Stockton, NBA; Jim Kelly, NFL; Ken Stabler, NFL; Roger Staubach, NFL; Roberto Alomar, MLB
  • In boxing, after the death of boxer Duk Koo Kim following a world championship fight with World Boxing Association lightweight world champion Ray Mancini, the World Boxing Council determined that boxers were more prone to suffer fatal injuries from round 13 to round 15, thus soon after boxing fights were universally limited to a maximum of 12 rounds only.

Tv, movies and cinematography

  • Film: 12 (12) Year: 2007 Duration: 153 Genre: Courtroom drama Director: Nikita Mikhalkov With: Nikita Mikhalkov; Sergey Makovezkij
  • Film: Twelve Monkeys (12 Monkeys) Year: 1995 Duration: 130 Director: Terry Gilliam With: Bruce Willis; Madeleine stowe
  • Movie: 12:08 East of Bucharest (A Fost sau na fost? (12:08 East of Bucharest)) Year: 2006 Duration: 89 Genre: Comedy | Drama Director: Corneliu Porumboiu With: Mircea Andreescu; Teodor corban

Number 12 in other languages

How to say or write the number twelve in Spanish, German, French and other languages.
Spanish: 🔊 (número 12)


German: 🔊 (Anzahl 12)


French: 🔊 (nombre 12)


Portuguese: 🔊 (número 12)


Chinese: 🔊 (数 12)


Other languages ...

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Number 12 in News

BBC: Exeter score 12 tries in record win
Champions Exeter Chiefs run in 12 tries in a record-breaking win against Newcastle Falcons. ...
May 30, 2021
France24: Croatia to buy 12 used Rafale fighter jets from France for €1 billion
Croatia has agreed to buy a batch of used fighter jets from France, Prime Minister Andrej Plenkovic said on Friday, in a deal worth one billion euros ($1.2 billion). ...
May 28, 2021
The Sydney Morning Herald: Children as young as 12 could soon get Pfizer vaccinations in US
Pfizer and BioNTech said they planned to lodge applications to expand approval to children aged 12-15 with regulators around the world in coming days. ...
April 10, 2021
CNN: Finnish astrophotographer spends 12 years creating a Milky Way mosaic
Capturing panoramas of the Milky Way, the galaxy in which we reside, might seem like a daunting task considering it is, according to the National Aeronautics and Space Administration, about 100,000 light-years across. ...
March 20, 2021
CNN: 'Ghost Ship' leaseholder is sentenced to 12 years for warehouse fire that killed 36 people
Derick Almena, the leaseholder of a dilapidated Oakland warehouse -- dubbed the "Ghost Ship" -- that went up in flames, killing 36 people, was sentenced to 12 years in a plea deal that was accepted by Alameda County Superior Court Judge Trina Thompson on Monday. ...
March 9, 2021

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