12204411231 has 32 divisors (see below), whose sum is σ = 17723363328. Its totient is φ = 7440168960.

The previous prime is 12204411161. The next prime is 12204411239. The reversal of 12204411231 is 13211440221.

It is not a de Polignac number, because 12204411231 - 2¹¹ = 12204409183 is a prime.

It is a super-2 number, since 2×12204411231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12204411198 and 12204411207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204411239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404295 + ... + 433431.

It is an arithmetic number, because the mean of its divisors is an integer number (553855104).

Almost surely, 2^12204411231 is an apocalyptic number.

12204411231 is a deficient number, since it is larger than the sum of its proper divisors (5518952097).

12204411231 is a wasteful number, since it uses less digits than its factorization.

12204411231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29391.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12204411231 its reverse (13211440221), we get a palindrome (25415851452).

The spelling of 12204411231 in words is "twelve billion, two hundred four million, four hundred eleven thousand, two hundred thirty-one".