12220014231 has 6 divisors (see below), whose sum is σ = 17651131680. Its totient is φ = 8146676148.

The previous prime is 12220014199. The next prime is 12220014253. The reversal of 12220014231 is 13241002221.

It is a happy number.

It is not a de Polignac number, because 12220014231 - 2⁵ = 12220014199 is a prime.

It is a super-2 number, since 2×12220014231² (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 (12220014431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 678889671 + ... + 678889688.

It is an arithmetic number, because the mean of its divisors is an integer number (2941855280).

Almost surely, 2^12220014231 is an apocalyptic number.

12220014231 is a deficient number, since it is larger than the sum of its proper divisors (5431117449).

12220014231 is a wasteful number, since it uses less digits than its factorization.

12220014231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357779365 (or 1357779362 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12220014231 its reverse (13241002221), we get a palindrome (25461016452).

The spelling of 12220014231 in words is "twelve billion, two hundred twenty million, fourteen thousand, two hundred thirty-one".