12204443231 has 2 divisors, whose sum is σ = 12204443232. Its totient is φ = 12204443230.

The previous prime is 12204443129. The next prime is 12204443239. The reversal of 12204443231 is 13234440221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12204443231 - 2¹⁴ = 12204426847 is a prime.

It is a super-2 number, since 2×12204443231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12204443231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12204443239) 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 as a sum of consecutive naturals, namely, 6102221615 + 6102221616.

It is an arithmetic number, because the mean of its divisors is an integer number (6102221616).

Almost surely, 2^12204443231 is an apocalyptic number.

12204443231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204443231 is an equidigital number, since it uses as much as digits as its factorization.

12204443231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12204443231 its reverse (13234440221), we get a palindrome (25438883452).

The spelling of 12204443231 in words is "twelve billion, two hundred four million, four hundred forty-three thousand, two hundred thirty-one".