12918990960 has 60 divisors (see below), whose sum is σ = 43386280392. Its totient is φ = 3445064064.

The previous prime is 12918990943. The next prime is 12918990979. The reversal of 12918990960 is 6909981921.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 12918990897 and 12918990906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8970802 + ... + 8972241.

Almost surely, 2^12918990960 is an apocalyptic number.

12918990960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12918990960 is an abundant number, since it is smaller than the sum of its proper divisors (30467289432).

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

12918990960 is a wasteful number, since it uses less digits than its factorization.

12918990960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943062 (or 17943053 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 54.

The spelling of 12918990960 in words is "twelve billion, nine hundred eighteen million, nine hundred ninety thousand, nine hundred sixty".