11999112 has 32 divisors (see below), whose sum is σ = 30127680. Its totient is φ = 3982400.

The previous prime is 11999111. The next prime is 11999129. The reversal of 11999112 is 21199911.

11999112 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11999111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5362 + ... + 7262.

It is an arithmetic number, because the mean of its divisors is an integer number (941490).

Almost surely, 2^11999112 is an apocalyptic number.

11999112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11999112 is an abundant number, since it is smaller than the sum of its proper divisors (18128568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11999112 is a wasteful number, since it uses less digits than its factorization.

11999112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2169 counting only the distinct ones).

The product of its digits is 1458, while the sum is 33.

The square root of 11999112 is about 3463.9734410067. The cubic root of 11999112 is about 228.9372011144.

The spelling of 11999112 in words is "eleven million, nine hundred ninety-nine thousand, one hundred twelve".