123000012992 has 14 divisors (see below), whose sum is σ = 244078150908. Its totient is φ = 61500006464.

The previous prime is 123000012937. The next prime is 123000013009. The reversal of 123000012992 is 299210000321.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 960937538 + ... + 960937665.

Almost surely, 2^123000012992 is an apocalyptic number.

It is an amenable number.

123000012992 is a deficient number, since it is larger than the sum of its proper divisors (121078137916).

123000012992 is an equidigital number, since it uses as much as digits as its factorization.

123000012992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921875215 (or 1921875205 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 123000012992 in words is "one hundred twenty-three billion, twelve thousand, nine hundred ninety-two".