111000012 has 24 divisors (see below), whose sum is σ = 259209216. Its totient is φ = 36970128.

The previous prime is 111000007. The next prime is 111000031. The reversal of 111000012 is 210000111.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15853 + ... + 21755.

It is an arithmetic number, because the mean of its divisors is an integer number (10800384).

Almost surely, 2^111000012 is an apocalyptic number.

111000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111000012 is an abundant number, since it is smaller than the sum of its proper divisors (148209204).

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

111000012 is a wasteful number, since it uses less digits than its factorization.

111000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477 (or 7475 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 111000012 is about 10535.6543223475. The cubic root of 111000012 is about 480.5895706891.

Adding to 111000012 its reverse (210000111), we get a palindrome (321000123).

Subtracting 111000012 from its reverse (210000111), we obtain a palindrome (99000099).

The spelling of 111000012 in words is "one hundred eleven million, twelve", and thus it is an aban number.