12618012956 has 12 divisors (see below), whose sum is σ = 22793830080. Its totient is φ = 6105490080.

The previous prime is 12618012941. The next prime is 12618012971. The reversal of 12618012956 is 65921081621.

It is an interprime number because it is at equal distance from previous prime (12618012941) and next prime (12618012971).

It is a congruent number.

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, 50878961 + ... + 50879208.

It is an arithmetic number, because the mean of its divisors is an integer number (1899485840).

Almost surely, 2^12618012956 is an apocalyptic number.

It is an amenable number.

12618012956 is a deficient number, since it is larger than the sum of its proper divisors (10175817124).

12618012956 is a wasteful number, since it uses less digits than its factorization.

12618012956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101758204 (or 101758202 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 12618012956 in words is "twelve billion, six hundred eighteen million, twelve thousand, nine hundred fifty-six".