12959212624 has 20 divisors (see below), whose sum is σ = 25145803636. Its totient is φ = 6469972992.

The previous prime is 12959212577. The next prime is 12959212657. The reversal of 12959212624 is 42621295921.

It can be written as a sum of positive squares in 2 ways, for example, as 4371854400 + 8587358224 = 66120^2 + 92668^2 .

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, 590979 + ... + 612514.

Almost surely, 2^12959212624 is an apocalyptic number.

It is an amenable number.

12959212624 is a deficient number, since it is larger than the sum of its proper divisors (12186591012).

12959212624 is a wasteful number, since it uses less digits than its factorization.

12959212624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204174 (or 1204168 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The spelling of 12959212624 in words is "twelve billion, nine hundred fifty-nine million, two hundred twelve thousand, six hundred twenty-four".