111210210000012 has 12 divisors (see below), whose sum is σ = 259490490000056. Its totient is φ = 37070070000000.

The previous prime is 111210209999983. The next prime is 111210210000041. The reversal of 111210210000012 is 210000012012111.

It is an interprime number because it is at equal distance from previous prime (111210209999983) and next prime (111210210000041).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 9267517500001 = 111210210000012 / (1 + 1 + 1 + 2 + 1 + 0 + 2 + 1 + 0 + 0 + 0 + 0 + 0 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4633758749989 + ... + 4633758750012.

Almost surely, 2^{111210210000012} is an apocalyptic number.

111210210000012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111210210000012 is an abundant number, since it is smaller than the sum of its proper divisors (148280280000044).

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

111210210000012 is a wasteful number, since it uses less digits than its factorization.

111210210000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9267517500008 (or 9267517500006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111210210000012 its reverse (210000012012111), we get a palindrome (321210222012123).

The spelling of 111210210000012 in words is "one hundred eleven trillion, two hundred ten billion, two hundred ten million, twelve", and thus it is an aban number.