12700509716 has 6 divisors (see below), whose sum is σ = 22225892010. Its totient is φ = 6350254856.

The previous prime is 12700509707. The next prime is 12700509733. The reversal of 12700509716 is 61790500721.

It can be written as a sum of positive squares in only one way, i.e., 12623421316 + 77088400 = 112354^2 + 8780^2 .

It is a super-2 number, since 2×12700509716² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12700509716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1587563711 + ... + 1587563718.

It is an arithmetic number, because the mean of its divisors is an integer number (3704315335).

Almost surely, 2^12700509716 is an apocalyptic number.

It is an amenable number.

12700509716 is a deficient number, since it is larger than the sum of its proper divisors (9525382294).

12700509716 is a wasteful number, since it uses less digits than its factorization.

12700509716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3175127433 (or 3175127431 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 38.

The spelling of 12700509716 in words is "twelve billion, seven hundred million, five hundred nine thousand, seven hundred sixteen".