Fait général: 12299 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 12299 is an uninteresting number.
Culture générale: 12299 is a boring number.
Date historique: September 2nd is the day in 1666 that the Great Fire of London breaks out and burns for three days, destroying 10,000 buildings including St Paul's Cathedral.