12015486631 has 12 divisors (see below), whose sum is σ = 12128817360. Its totient is φ = 11902947840.

The previous prime is 12015486577. The next prime is 12015486781. The reversal of 12015486631 is 13668451021.

It is a happy number.

It is not a de Polignac number, because 12015486631 - 2¹¹ = 12015484583 is a prime.

It is a super-2 number, since 2×12015486631² (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 (12015486331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27369910 + ... + 27370348.

It is an arithmetic number, because the mean of its divisors is an integer number (1010734780).

Almost surely, 2^12015486631 is an apocalyptic number.

12015486631 is a deficient number, since it is larger than the sum of its proper divisors (113330729).

12015486631 is an frugal number, since it uses more digits than its factorization.

12015486631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1017 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 12015486631 in words is "twelve billion, fifteen million, four hundred eighty-six thousand, six hundred thirty-one".