12631375820195 has 16 divisors (see below), whose sum is σ = 17105813025120. Its totient is φ = 8869680825600.

The previous prime is 12631375820191. The next prime is 12631375820221. The reversal of 12631375820195 is 59102857313621.

It is not a de Polignac number, because 12631375820195 - 2² = 12631375820191 is a prime.

It is a super-2 number, since 2×12631375820195² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12631375820191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3959677346 + ... + 3959680535.

It is an arithmetic number, because the mean of its divisors is an integer number (1069113314070).

Almost surely, 2^{12631375820195} is an apocalyptic number.

12631375820195 is a deficient number, since it is larger than the sum of its proper divisors (4474437204925).

12631375820195 is a wasteful number, since it uses less digits than its factorization.

12631375820195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7919357926.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 12631375820195 in words is "twelve trillion, six hundred thirty-one billion, three hundred seventy-five million, eight hundred twenty thousand, one hundred ninety-five".