12942471831 has 8 divisors (see below), whose sum is σ = 17657946240. Its totient is φ = 8427655992.

The previous prime is 12942471791. The next prime is 12942471833. The reversal of 12942471831 is 13817424921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12942471831 - 2²³ = 12934083223 is a prime.

It is a super-2 number, since 2×12942471831² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942471833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50164491 + ... + 50164748.

It is an arithmetic number, because the mean of its divisors is an integer number (2207243280).

Almost surely, 2^12942471831 is an apocalyptic number.

12942471831 is a deficient number, since it is larger than the sum of its proper divisors (4715474409).

12942471831 is a wasteful number, since it uses less digits than its factorization.

12942471831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100329285.

The product of its digits is 96768, while the sum is 42.

The spelling of 12942471831 in words is "twelve billion, nine hundred forty-two million, four hundred seventy-one thousand, eight hundred thirty-one".