312022020008 has 16 divisors (see below), whose sum is σ = 585185553780. Its totient is φ = 155972539008.

The previous prime is 312022019993. The next prime is 312022020061. The reversal of 312022020008 is 800020220213.

It can be written as a sum of positive squares in 2 ways, for example, as 276505602244 + 35516417764 = 525838^2 + 188458^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4774391 + ... + 4839302.

Almost surely, 2^312022020008 is an apocalyptic number.

It is an amenable number.

312022020008 is a deficient number, since it is larger than the sum of its proper divisors (273163533772).

312022020008 is a wasteful number, since it uses less digits than its factorization.

312022020008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617756 (or 9617752 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The spelling of 312022020008 in words is "three hundred twelve billion, twenty-two million, twenty thousand, eight".