312046753220 has 72 divisors (see below), whose sum is σ = 700875709632. Its totient is φ = 116479517440.

The previous prime is 312046753219. The next prime is 312046753231. The reversal of 312046753220 is 22357640213.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571487 + ... + 975033.

It is an arithmetic number, because the mean of its divisors is an integer number (9734384856).

Almost surely, 2^312046753220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312046753220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350437854816).

312046753220 is an abundant number, since it is smaller than the sum of its proper divisors (388828956412).

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

312046753220 is a wasteful number, since it uses less digits than its factorization.

312046753220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403661 (or 403618 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 312046753220 in words is "three hundred twelve billion, forty-six million, seven hundred fifty-three thousand, two hundred twenty".