312220332099 has 24 divisors (see below), whose sum is σ = 485828004480. Its totient is φ = 192075484032.

The previous prime is 312220332089. The next prime is 312220332107. The reversal of 312220332099 is 990233022213.

312220332099 is a `hidden beast` number, since 3 + 12 + 220 + 332 + 0 + 99 = 666.

It is not a de Polignac number, because 312220332099 - 2⁷ = 312220331971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (312220332049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40339 + ... + 791244.

It is an arithmetic number, because the mean of its divisors is an integer number (20242833520).

Almost surely, 2^312220332099 is an apocalyptic number.

312220332099 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

312220332099 is a deficient number, since it is larger than the sum of its proper divisors (173607672381).

312220332099 is a wasteful number, since it uses less digits than its factorization.

312220332099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834811 (or 834808 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 312220332099 in words is "three hundred twelve billion, two hundred twenty million, three hundred thirty-two thousand, ninety-nine".