112 (one hundred [and] twelve) is the natural number following 111 and preceding 113.
112 is an abundant number, a heptagonal number, and a Harshad number. It is also the sum of six consecutive primes ().
112 is an emergency telephone number:
- throughout the European Union – in some cases, alongside other, country-specific emergency numbers.
- in various other countries.
- on mobile phones implementing the GSM standard, where it redirects to the country-specific emergency number.
In other fields
One hundred [and] twelve is also:
- ^ Paul Pasles, Benjamin Franklin's numbers: an unsung mathematical odyssey. Princeton: Princeton University Press (2008): 37