312102020000 has 60 divisors (see below), whose sum is σ = 767817833706. Its totient is φ = 124840800000.

The previous prime is 312102019963. The next prime is 312102020011. The reversal of 312102020000 is 20201213.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 68788700176 + 243313319824 = 262276^2 + 493268^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7782551 + ... + 7822550.

Almost surely, 2^312102020000 is an apocalyptic number.

It is an amenable number.

312102020000 is an abundant number, since it is smaller than the sum of its proper divisors (455715813706).

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

312102020000 is an equidigital number, since it uses as much as digits as its factorization.

312102020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15605131 (or 15605108 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 312102020000 its reverse (20201213), we get a palindrome (312122221213).

The spelling of 312102020000 in words is "three hundred twelve billion, one hundred two million, twenty thousand".