12711565752 has 32 divisors (see below), whose sum is σ = 31852673280. Its totient is φ = 4227354080.

The previous prime is 12711565729. The next prime is 12711565777. The reversal of 12711565752 is 25756511721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604098 + ... + 624785.

It is an arithmetic number, because the mean of its divisors is an integer number (995396040).

Almost surely, 2^12711565752 is an apocalyptic number.

12711565752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12711565752 is an abundant number, since it is smaller than the sum of its proper divisors (19141107528).

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

12711565752 is a wasteful number, since it uses less digits than its factorization.

12711565752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229323 (or 1229319 counting only the distinct ones).

The product of its digits is 147000, while the sum is 42.

The spelling of 12711565752 in words is "twelve billion, seven hundred eleven million, five hundred sixty-five thousand, seven hundred fifty-two".