312112201000 has 32 divisors (see below), whose sum is σ = 730342552680. Its totient is φ = 124844880000.

The previous prime is 312112200943. The next prime is 312112201033. The reversal of 312112201000 is 102211213.

It can be written as a sum of positive squares in 4 ways, for example, as 41839066116 + 270273134884 = 204546^2 + 519878^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156055101 + ... + 156057100.

Almost surely, 2^312112201000 is an apocalyptic number.

It is an amenable number.

312112201000 is an abundant number, since it is smaller than the sum of its proper divisors (418230351680).

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

312112201000 is a wasteful number, since it uses less digits than its factorization.

312112201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312112222 (or 312112208 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 312112201000 its reverse (102211213), we get a palindrome (312214412213).

The spelling of 312112201000 in words is "three hundred twelve billion, one hundred twelve million, two hundred one thousand".