123320111131012 has 12 divisors (see below), whose sum is σ = 217362785807440. Its totient is φ = 61216458043176.

The previous prime is 123320111130967. The next prime is 123320111131073. The reversal of 123320111131012 is 210131111023321.

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, 110899379958 + ... + 110899381069.

Almost surely, 2^{123320111131012} is an apocalyptic number.

It is an amenable number.

123320111131012 is a deficient number, since it is larger than the sum of its proper divisors (94042674676428).

123320111131012 is a wasteful number, since it uses less digits than its factorization.

123320111131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221798761170 (or 221798761168 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123320111131012 its reverse (210131111023321), we get a palindrome (333451222154333).

The spelling of 123320111131012 in words is "one hundred twenty-three trillion, three hundred twenty billion, one hundred eleven million, one hundred thirty-one thousand, twelve".