12312212200399 has 2 divisors, whose sum is σ = 12312212200400. Its totient is φ = 12312212200398.

The previous prime is 12312212200297. The next prime is 12312212200423. The reversal of 12312212200399 is 99300221221321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12312212200399 - 2¹⁵ = 12312212167631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12312219200399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156106100199 + 6156106100200.

It is an arithmetic number, because the mean of its divisors is an integer number (6156106100200).

Almost surely, 2^{12312212200399} is an apocalyptic number.

12312212200399 is a deficient number, since it is larger than the sum of its proper divisors (1).

12312212200399 is an equidigital number, since it uses as much as digits as its factorization.

12312212200399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 12312212200399 in words is "twelve trillion, three hundred twelve billion, two hundred twelve million, two hundred thousand, three hundred ninety-nine".