12032231999 has 2 divisors, whose sum is σ = 12032232000. Its totient is φ = 12032231998.

The previous prime is 12032231987. The next prime is 12032232019. The reversal of 12032231999 is 99913223021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12032231999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12032231599) 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, 6016115999 + 6016116000.

It is an arithmetic number, because the mean of its divisors is an integer number (6016116000).

Almost surely, 2^12032231999 is an apocalyptic number.

12032231999 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032231999 is an equidigital number, since it uses as much as digits as its factorization.

12032231999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 12032231999 in words is "twelve billion, thirty-two million, two hundred thirty-one thousand, nine hundred ninety-nine".