212024131231 has 16 divisors (see below), whose sum is σ = 239616468000. Its totient is φ = 185837008000.

The previous prime is 212024131217. The next prime is 212024131273. The reversal of 212024131231 is 132131420212.

It is a cyclic number.

It is not a de Polignac number, because 212024131231 - 2²⁵ = 211990576799 is a prime.

It is a super-2 number, since 2×212024131231² (a number of 23 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 (212024131031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250456 + ... + 697693.

It is an arithmetic number, because the mean of its divisors is an integer number (14976029250).

Almost surely, 2^212024131231 is an apocalyptic number.

212024131231 is a deficient number, since it is larger than the sum of its proper divisors (27592336769).

212024131231 is a wasteful number, since it uses less digits than its factorization.

212024131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948890.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212024131231 its reverse (132131420212), we get a palindrome (344155551443).

The spelling of 212024131231 in words is "two hundred twelve billion, twenty-four million, one hundred thirty-one thousand, two hundred thirty-one".