12696153885 has 24 divisors (see below), whose sum is σ = 22045798944. Its totient is φ = 6759241440.

The previous prime is 12696153863. The next prime is 12696153901. The reversal of 12696153885 is 58835169621.

12696153885 is a `hidden beast` number, since 1 + 26 + 9 + 6 + 1 + 538 + 85 = 666.

It is not a de Polignac number, because 12696153885 - 2¹⁵ = 12696121117 is a prime.

It is a super-2 number, since 2×12696153885² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 225231 + ... + 275900.

It is an arithmetic number, because the mean of its divisors is an integer number (918574956).

Almost surely, 2^12696153885 is an apocalyptic number.

12696153885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12696153885 is a deficient number, since it is larger than the sum of its proper divisors (9349645059).

12696153885 is a wasteful number, since it uses less digits than its factorization.

12696153885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501705 (or 501702 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 12696153885 in words is "twelve billion, six hundred ninety-six million, one hundred fifty-three thousand, eight hundred eighty-five".