12695812769625 has 32 divisors (see below), whose sum is σ = 21126763706880. Its totient is φ = 6770801664000.

The previous prime is 12695812769557. The next prime is 12695812769659. The reversal of 12695812769625 is 52696721859621.

It is not a de Polignac number, because 12695812769625 - 2⁹ = 12695812769113 is a prime.

It is a super-2 number, since 2×12695812769625² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12695812769625.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7905696 + ... + 9375054.

It is an arithmetic number, because the mean of its divisors is an integer number (660211365840).

Almost surely, 2^{12695812769625} is an apocalyptic number.

12695812769625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12695812769625 is a deficient number, since it is larger than the sum of its proper divisors (8430950937255).

12695812769625 is a wasteful number, since it uses less digits than its factorization.

12695812769625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492418 (or 1492408 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 69.

The spelling of 12695812769625 in words is "twelve trillion, six hundred ninety-five billion, eight hundred twelve million, seven hundred sixty-nine thousand, six hundred twenty-five".