12688266675 has 48 divisors (see below), whose sum is σ = 24748193792. Its totient is φ = 5613235200.

The previous prime is 12688266649. The next prime is 12688266683. The reversal of 12688266675 is 57666288621.

It is not a de Polignac number, because 12688266675 - 2¹⁵ = 12688233907 is a prime.

It is a super-2 number, since 2×12688266675² (a number of 21 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 373534 + ... + 406083.

Almost surely, 2^12688266675 is an apocalyptic number.

12688266675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12688266675 is a deficient number, since it is larger than the sum of its proper divisors (12059927117).

12688266675 is a wasteful number, since it uses less digits than its factorization.

12688266675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779668 (or 779663 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 12688266675 in words is "twelve billion, six hundred eighty-eight million, two hundred sixty-six thousand, six hundred seventy-five".