12136340472631 has 16 divisors (see below), whose sum is σ = 13197748689216. Its totient is φ = 11113553465856.

The previous prime is 12136340472617. The next prime is 12136340472649. The reversal of 12136340472631 is 13627404363121.

It is not a de Polignac number, because 12136340472631 - 2²⁷ = 12136206254903 is a prime.

It is a super-2 number, since 2×12136340472631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12136340472731) 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, 61295965 + ... + 61493641.

It is an arithmetic number, because the mean of its divisors is an integer number (824859293076).

Almost surely, 2^{12136340472631} is an apocalyptic number.

12136340472631 is a deficient number, since it is larger than the sum of its proper divisors (1061408216585).

12136340472631 is a wasteful number, since it uses less digits than its factorization.

12136340472631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295338.

The product of its (nonzero) digits is 435456, while the sum is 43.

The spelling of 12136340472631 in words is "twelve trillion, one hundred thirty-six billion, three hundred forty million, four hundred seventy-two thousand, six hundred thirty-one".