313408205215212 has 12 divisors (see below), whose sum is σ = 731285812168856. Its totient is φ = 104469401738400.

The previous prime is 313408205215201. The next prime is 313408205215213. The reversal of 313408205215212 is 212512502804313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (313408205215213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13058675217289 + ... + 13058675217312.

Almost surely, 2^{313408205215212} is an apocalyptic number.

It is an amenable number.

313408205215212 is an abundant number, since it is smaller than the sum of its proper divisors (417877606953644).

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

313408205215212 is a wasteful number, since it uses less digits than its factorization.

313408205215212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26117350434608 (or 26117350434606 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 313408205215212 in words is "three hundred thirteen trillion, four hundred eight billion, two hundred five million, two hundred fifteen thousand, two hundred twelve".