123021111232012 has 12 divisors (see below), whose sum is σ = 246042222464080. Its totient is φ = 52723333385136.

The previous prime is 123021111232001. The next prime is 123021111232021. The reversal of 123021111232012 is 210232111120321.

It is a happy number.

123021111232012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196805557687 + ... + 2196805557742.

Almost surely, 2^{123021111232012} is an apocalyptic number.

It is an amenable number.

123021111232012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123021111232012 is a wasteful number, since it uses less digits than its factorization.

123021111232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393611115440 (or 4393611115438 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 123021111232012 its reverse (210232111120321), we get a palindrome (333253222352333).

The spelling of 123021111232012 in words is "one hundred twenty-three trillion, twenty-one billion, one hundred eleven million, two hundred thirty-two thousand, twelve".