12560177652 has 48 divisors (see below), whose sum is σ = 32574612672. Its totient is φ = 3734298880.

The previous prime is 12560177629. The next prime is 12560177671. The reversal of 12560177652 is 25677106521.

It is a happy number.

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, 890673 + ... + 904664.

It is an arithmetic number, because the mean of its divisors is an integer number (678637764).

Almost surely, 2^12560177652 is an apocalyptic number.

12560177652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12560177652 is an abundant number, since it is smaller than the sum of its proper divisors (20014435020).

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

12560177652 is a wasteful number, since it uses less digits than its factorization.

12560177652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795408 (or 1795406 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 12560177652 in words is "twelve billion, five hundred sixty million, one hundred seventy-seven thousand, six hundred fifty-two".