12571073128 has 32 divisors (see below), whose sum is σ = 24673835520. Its totient is φ = 5997096000.

The previous prime is 12571073117. The next prime is 12571073153. The reversal of 12571073128 is 82137017521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339363 + ... + 374578.

It is an arithmetic number, because the mean of its divisors is an integer number (771057360).

Almost surely, 2^12571073128 is an apocalyptic number.

It is an amenable number.

12571073128 is a deficient number, since it is larger than the sum of its proper divisors (12102762392).

12571073128 is a wasteful number, since it uses less digits than its factorization.

12571073128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714049 (or 714045 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 12571073128 in words is "twelve billion, five hundred seventy-one million, seventy-three thousand, one hundred twenty-eight".