313312121032212 has 18 divisors (see below), whose sum is σ = 791983417053738. Its totient is φ = 104437373677392.

The previous prime is 313312121032199. The next prime is 313312121032249. The reversal of 313312121032212 is 212230121213313.

313312121032212 is a `hidden beast` number, since 3 + 1 + 3 + 3 + 121 + 210 + 322 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 224966521245456 + 88345599786756 = 14998884^2 + 9399234^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×313312121032212² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4351557236523 + ... + 4351557236594.

Almost surely, 2^{313312121032212} is an apocalyptic number.

It is an amenable number.

313312121032212 is an abundant number, since it is smaller than the sum of its proper divisors (478671296021526).

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

313312121032212 is a wasteful number, since it uses less digits than its factorization.

313312121032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8703114473127 (or 8703114473122 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 313312121032212 its reverse (212230121213313), we get a palindrome (525542242245525).

The spelling of 313312121032212 in words is "three hundred thirteen trillion, three hundred twelve billion, one hundred twenty-one million, thirty-two thousand, two hundred twelve".