112221211110012 has 72 divisors (see below), whose sum is σ = 301383153271200. Its totient is φ = 35141031612288.

The previous prime is 112221211109989. The next prime is 112221211110023. The reversal of 112221211110012 is 210011112122211.

It is a happy number.

112221211110012 is a `hidden beast` number, since 112 + 221 + 211 + 110 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1452550312 + ... + 1452627567.

Almost surely, 2^{112221211110012} is an apocalyptic number.

112221211110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112221211110012 is an abundant number, since it is smaller than the sum of its proper divisors (189161942161188).

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

112221211110012 is a wasteful number, since it uses less digits than its factorization.

112221211110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905177955 (or 2905177950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112221211110012 its reverse (210011112122211), we get a palindrome (322232323232223).

The spelling of 112221211110012 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred eleven million, one hundred ten thousand, twelve".