123210101000012 has 96 divisors (see below), whose sum is σ = 242572971024384. Its totient is φ = 54332393068800.

The previous prime is 123210101000003. The next prime is 123210101000039. The reversal of 123210101000012 is 210000101012321.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4070220437 + ... + 4070250707.

It is an arithmetic number, because the mean of its divisors is an integer number (2526801781504).

Almost surely, 2^{123210101000012} is an apocalyptic number.

It is an amenable number.

123210101000012 is a deficient number, since it is larger than the sum of its proper divisors (119362870024372).

123210101000012 is a wasteful number, since it uses less digits than its factorization.

123210101000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34039 (or 34037 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 123210101000012 its reverse (210000101012321), we get a palindrome (333210202012333).

The spelling of 123210101000012 in words is "one hundred twenty-three trillion, two hundred ten billion, one hundred one million, twelve", and thus it is an aban number.