14212128931 has 48 divisors (see below), whose sum is σ = 19696146624. Its totient is φ = 9972864000.

The previous prime is 14212128923. The next prime is 14212128947. The reversal of 14212128931 is 13982121241.

It is not a de Polignac number, because 14212128931 - 2³ = 14212128923 is a prime.

It is a super-2 number, since 2×14212128931² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14212128631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 435711 + ... + 467191.

It is an arithmetic number, because the mean of its divisors is an integer number (410336388).

Almost surely, 2^14212128931 is an apocalyptic number.

14212128931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14212128931 is a deficient number, since it is larger than the sum of its proper divisors (5484017693).

14212128931 is a wasteful number, since it uses less digits than its factorization.

14212128931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31564 (or 31553 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The spelling of 14212128931 in words is "fourteen billion, two hundred twelve million, one hundred twenty-eight thousand, nine hundred thirty-one".