123404551224512 has 28 divisors (see below), whose sum is σ = 246296402926656. Its totient is φ = 61345615054080.

The previous prime is 123404551224481. The next prime is 123404551224557. The reversal of 123404551224512 is 215422155404321.

It is a self number, because there is not a number n which added to its sum of digits gives 123404551224512.

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, 5572810064 + ... + 5572832207.

Almost surely, 2^{123404551224512} is an apocalyptic number.

It is an amenable number.

123404551224512 is a deficient number, since it is larger than the sum of its proper divisors (122891851702144).

123404551224512 is a wasteful number, since it uses less digits than its factorization.

123404551224512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145642456 (or 11145642446 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 123404551224512 in words is "one hundred twenty-three trillion, four hundred four billion, five hundred fifty-one million, two hundred twenty-four thousand, five hundred twelve".