12512752775 has 12 divisors (see below), whose sum is σ = 15808566312. Its totient is φ = 9821329440.

The previous prime is 12512752751. The next prime is 12512752787. The reversal of 12512752775 is 57725721521.

It is a happy number.

It is not a de Polignac number, because 12512752775 - 2²² = 12508558471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4720469 + ... + 4723118.

It is an arithmetic number, because the mean of its divisors is an integer number (1317380526).

Almost surely, 2^12512752775 is an apocalyptic number.

12512752775 is a deficient number, since it is larger than the sum of its proper divisors (3295813537).

12512752775 is an equidigital number, since it uses as much as digits as its factorization.

12512752775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443650 (or 9443645 counting only the distinct ones).

The product of its digits is 343000, while the sum is 44.

The spelling of 12512752775 in words is "twelve billion, five hundred twelve million, seven hundred fifty-two thousand, seven hundred seventy-five".