313003212012 has 48 divisors (see below), whose sum is σ = 814049802720. Its totient is φ = 104005262016.

The previous prime is 313003211981. The next prime is 313003212037. The reversal of 313003212012 is 210212300313.

313003212012 is a `hidden beast` number, since 31 + 300 + 321 + 2 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4537023 + ... + 4605494.

It is an arithmetic number, because the mean of its divisors is an integer number (16959370890).

Almost surely, 2^313003212012 is an apocalyptic number.

It is an amenable number.

313003212012 is an abundant number, since it is smaller than the sum of its proper divisors (501046590708).

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

313003212012 is a wasteful number, since it uses less digits than its factorization.

313003212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9142847 (or 9142839 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 313003212012 its reverse (210212300313), we get a palindrome (523215512325).

The spelling of 313003212012 in words is "three hundred thirteen billion, three million, two hundred twelve thousand, twelve".