312220113292 has 12 divisors (see below), whose sum is σ = 546752156440. Its totient is φ = 156005211456.

The previous prime is 312220113223. The next prime is 312220113311. The reversal of 312220113292 is 292311022213.

It is a self number, because there is not a number n which added to its sum of digits gives 312220113292.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26204598 + ... + 26216509.

Almost surely, 2^312220113292 is an apocalyptic number.

It is an amenable number.

312220113292 is a deficient number, since it is larger than the sum of its proper divisors (234532043148).

312220113292 is a wasteful number, since it uses less digits than its factorization.

312220113292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52422600 (or 52422598 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 312220113292 in words is "three hundred twelve billion, two hundred twenty million, one hundred thirteen thousand, two hundred ninety-two".