312223211292 has 48 divisors (see below), whose sum is σ = 738101450240. Its totient is φ = 102707025408.

The previous prime is 312223211257. The next prime is 312223211317. The reversal of 312223211292 is 292112322213.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1895628 + ... + 2053740.

Almost surely, 2^312223211292 is an apocalyptic number.

It is an amenable number.

312223211292 is an abundant number, since it is smaller than the sum of its proper divisors (425878238948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312223211292 is a wasteful number, since it uses less digits than its factorization.

312223211292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160282 (or 160280 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The spelling of 312223211292 in words is "three hundred twelve billion, two hundred twenty-three million, two hundred eleven thousand, two hundred ninety-two".