12513029568 has 112 divisors (see below), whose sum is σ = 35699736576. Its totient is φ = 3845237760.

The previous prime is 12513029531. The next prime is 12513029579. The reversal of 12513029568 is 86592031521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2271105 + ... + 2276607.

It is an arithmetic number, because the mean of its divisors is an integer number (318747648).

Almost surely, 2^12513029568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12513029568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17849868288).

12513029568 is an abundant number, since it is smaller than the sum of its proper divisors (23186707008).

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

12513029568 is a wasteful number, since it uses less digits than its factorization.

12513029568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6442 (or 6432 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 12513029568 in words is "twelve billion, five hundred thirteen million, twenty-nine thousand, five hundred sixty-eight".