123013000012 has 48 divisors (see below), whose sum is σ = 257832097600. Its totient is φ = 51294974976.

The previous prime is 123012999881. The next prime is 123013000039. The reversal of 123013000012 is 210000310321.

It is a junction number, because it is equal to n+sod(n) for n = 123012999956 and 123013000001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1160853 + ... + 1262380.

Almost surely, 2^123013000012 is an apocalyptic number.

It is an amenable number.

123013000012 is an abundant number, since it is smaller than the sum of its proper divisors (134819097588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123013000012 is a wasteful number, since it uses less digits than its factorization.

123013000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423295 (or 2423279 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 123013000012 its reverse (210000310321), we get a palindrome (333013310333).

The spelling of 123013000012 in words is "one hundred twenty-three billion, thirteen million, twelve", and thus it is an aban number.