312112002320 has 40 divisors (see below), whose sum is σ = 726732408024. Its totient is φ = 124660370432.

The previous prime is 312112002271. The next prime is 312112002341. The reversal of 312112002320 is 23200211213.

It can be written as a sum of positive squares in 4 ways, for example, as 146817716224 + 165294286096 = 383168^2 + 406564^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 2827229 + ... + 2935548.

Almost surely, 2^312112002320 is an apocalyptic number.

It is an amenable number.

312112002320 is an abundant number, since it is smaller than the sum of its proper divisors (414620405704).

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

312112002320 is a wasteful number, since it uses less digits than its factorization.

312112002320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763467 (or 5763461 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 312112002320 its reverse (23200211213), we get a palindrome (335312213533).

The spelling of 312112002320 in words is "three hundred twelve billion, one hundred twelve million, two thousand, three hundred twenty".