12576112550 has 48 divisors (see below), whose sum is σ = 24555571200. Its totient is φ = 4785626400.

The previous prime is 12576112547. The next prime is 12576112567. The reversal of 12576112550 is 5521167521.

It is a self number, because there is not a number n which added to its sum of digits gives 12576112550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22691 + ... + 160209.

It is an arithmetic number, because the mean of its divisors is an integer number (511574400).

Almost surely, 2^12576112550 is an apocalyptic number.

12576112550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12576112550 is a deficient number, since it is larger than the sum of its proper divisors (11979458650).

12576112550 is a wasteful number, since it uses less digits than its factorization.

12576112550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137621 (or 137616 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 12576112550 in words is "twelve billion, five hundred seventy-six million, one hundred twelve thousand, five hundred fifty".