312222220199 has 2 divisors, whose sum is σ = 312222220200. Its totient is φ = 312222220198.

The previous prime is 312222220187. The next prime is 312222220207. The reversal of 312222220199 is 991022222213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312222220199 - 2³² = 307927252903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312222220159) 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, 156111110099 + 156111110100.

It is an arithmetic number, because the mean of its divisors is an integer number (156111110100).

Almost surely, 2^312222220199 is an apocalyptic number.

312222220199 is a deficient number, since it is larger than the sum of its proper divisors (1).

312222220199 is an equidigital number, since it uses as much as digits as its factorization.

312222220199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 312222220199 in words is "three hundred twelve billion, two hundred twenty-two million, two hundred twenty thousand, one hundred ninety-nine".