123202310021012 has 48 divisors (see below), whose sum is σ = 218354291097600. Its totient is φ = 60820946172000.

The previous prime is 123202310021009. The next prime is 123202310021039. The reversal of 123202310021012 is 210120013202321.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 99178613 + ... + 100413155.

It is an arithmetic number, because the mean of its divisors is an integer number (4549047731200).

Almost surely, 2^{123202310021012} is an apocalyptic number.

It is an amenable number.

123202310021012 is a deficient number, since it is larger than the sum of its proper divisors (95151981076588).

123202310021012 is a wasteful number, since it uses less digits than its factorization.

123202310021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235676 (or 1235674 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123202310021012 its reverse (210120013202321), we get a palindrome (333322323223333).

The spelling of 123202310021012 in words is "one hundred twenty-three trillion, two hundred two billion, three hundred ten million, twenty-one thousand, twelve".