12576631026 has 32 divisors (see below), whose sum is σ = 25215310080. Its totient is φ = 4181885136.

The previous prime is 12576631009. The next prime is 12576631073. The reversal of 12576631026 is 62013667521.

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, 6735345 + ... + 6737211.

It is an arithmetic number, because the mean of its divisors is an integer number (787978440).

Almost surely, 2^12576631026 is an apocalyptic number.

12576631026 is an abundant number, since it is smaller than the sum of its proper divisors (12638679054).

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

12576631026 is a wasteful number, since it uses less digits than its factorization.

12576631026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 12576631026 in words is "twelve billion, five hundred seventy-six million, six hundred thirty-one thousand, twenty-six".