Fait général: 12054 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 12054 is an uninteresting number.
Culture générale: 12054 is an uninteresting number.
Date historique: December 31st is the day in 1879 that Thomas Edison demonstrates incandescent lighting to the public for the first time, in Menlo Park, New Jersey.