12231031199 has 2 divisors, whose sum is σ = 12231031200. Its totient is φ = 12231031198.

The previous prime is 12231031187. The next prime is 12231031217. The reversal of 12231031199 is 99113013221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12231031199 - 2⁸ = 12231030943 is a prime.

It is a super-2 number, since 2×12231031199² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231031129) 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, 6115515599 + 6115515600.

It is an arithmetic number, because the mean of its divisors is an integer number (6115515600).

Almost surely, 2^12231031199 is an apocalyptic number.

12231031199 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231031199 is an equidigital number, since it uses as much as digits as its factorization.

12231031199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 12231031199 in words is "twelve billion, two hundred thirty-one million, thirty-one thousand, one hundred ninety-nine".