312220222199 has 4 divisors (see below), whose sum is σ = 313380892440. Its totient is φ = 311059551960.

The previous prime is 312220222183. The next prime is 312220222219. The reversal of 312220222199 is 991222022213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991222022213 = 199 ⋅4981015187.

It is a cyclic number.

It is not a de Polignac number, because 312220222199 - 2⁴ = 312220222183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312220222399) 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 in 3 ways as a sum of consecutive naturals, for example, 580334717 + ... + 580335254.

It is an arithmetic number, because the mean of its divisors is an integer number (78345223110).

Almost surely, 2^312220222199 is an apocalyptic number.

312220222199 is a deficient number, since it is larger than the sum of its proper divisors (1160670241).

312220222199 is a wasteful number, since it uses less digits than its factorization.

312220222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160670240.

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

The spelling of 312220222199 in words is "three hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred ninety-nine".