12696258716 has 12 divisors (see below), whose sum is σ = 23525420688. Its totient is φ = 5974709952.

The previous prime is 12696258709. The next prime is 12696258719. The reversal of 12696258716 is 61785269621.

12696258716 = T₂₂₂₈₈ + T₂₂₂₈₉ + ... + T₂₂₃₃₈.

It is a super-2 number, since 2×12696258716² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12696258719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93354776 + ... + 93354911.

It is an arithmetic number, because the mean of its divisors is an integer number (1960451724).

Almost surely, 2^12696258716 is an apocalyptic number.

It is an amenable number.

12696258716 is a deficient number, since it is larger than the sum of its proper divisors (10829161972).

12696258716 is a wasteful number, since it uses less digits than its factorization.

12696258716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186709708 (or 186709706 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The spelling of 12696258716 in words is "twelve billion, six hundred ninety-six million, two hundred fifty-eight thousand, seven hundred sixteen".