12213132012231 has 16 divisors (see below), whose sum is σ = 16846512949728. Its totient is φ = 7864851968000.

The previous prime is 12213132012187. The next prime is 12213132012293. The reversal of 12213132012231 is 13221023131221.

It is a cyclic number.

It is not a de Polignac number, because 12213132012231 - 2¹⁴ = 12213131995847 is a prime.

It is a super-2 number, since 2×12213132012231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213132011231) 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, 491540826 + ... + 491565671.

It is an arithmetic number, because the mean of its divisors is an integer number (1052907059358).

Almost surely, 2^{12213132012231} is an apocalyptic number.

12213132012231 is a deficient number, since it is larger than the sum of its proper divisors (4633380937497).

12213132012231 is a wasteful number, since it uses less digits than its factorization.

12213132012231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983106642.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213132012231 its reverse (13221023131221), we get a palindrome (25434155143452).

The spelling of 12213132012231 in words is "twelve trillion, two hundred thirteen billion, one hundred thirty-two million, twelve thousand, two hundred thirty-one".