12275765631 has 6 divisors (see below), whose sum is σ = 17731661480. Its totient is φ = 8183843748.

The previous prime is 12275765617. The next prime is 12275765633. The reversal of 12275765631 is 13656757221.

It is a happy number.

12275765631 is a `hidden beast` number, since 1 + 2 + 2 + 7 + 5 + 7 + 6 + 5 + 631 = 666.

It is not a de Polignac number, because 12275765631 - 2⁷ = 12275765503 is a prime.

It is a super-2 number, since 2×12275765631² (a number of 21 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 (12275765633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 681986971 + ... + 681986988.

Almost surely, 2^12275765631 is an apocalyptic number.

12275765631 is a deficient number, since it is larger than the sum of its proper divisors (5455895849).

12275765631 is a wasteful number, since it uses less digits than its factorization.

12275765631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363973965 (or 1363973962 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The spelling of 12275765631 in words is "twelve billion, two hundred seventy-five million, seven hundred sixty-five thousand, six hundred thirty-one".