Fatto generale: 112 is the atomic number of the element copernicium (formerly called ununbium).
Fatto matematico: 112 is in base 10 both a Harshad number.
Trivia: 112 is the number of surat al-Ikhlas in the Qur'an.
Data storica: April 21st is the day in 1894 that Norway formally adopts the Krag-Jørgensen rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.