12992389631 has 16 divisors (see below), whose sum is σ = 14358466080. Its totient is φ = 11681953920.

The previous prime is 12992389609. The next prime is 12992389717. The reversal of 12992389631 is 13698329921.

12992389631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12992389631 - 2¹⁸ = 12992127487 is a prime.

It is a super-2 number, since 2×12992389631² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12992389231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27941 + ... + 163601.

It is an arithmetic number, because the mean of its divisors is an integer number (897404130).

Almost surely, 2^12992389631 is an apocalyptic number.

12992389631 is a deficient number, since it is larger than the sum of its proper divisors (1366076449).

12992389631 is a wasteful number, since it uses less digits than its factorization.

12992389631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135866.

The product of its digits is 1259712, while the sum is 53.

The spelling of 12992389631 in words is "twelve billion, nine hundred ninety-two million, three hundred eighty-nine thousand, six hundred thirty-one".