313013212112122 has 16 divisors (see below), whose sum is σ = 476063507059560. Its totient is φ = 154326384628992.

The previous prime is 313013212112057. The next prime is 313013212112137. The reversal of 313013212112122 is 221211212310313.

It can be written as a sum of positive squares in 4 ways, for example, as 255392648658081 + 57620563454041 = 15981009^2 + 7590821^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251427747 + ... + 252669622.

Almost surely, 2^{313013212112122} is an apocalyptic number.

313013212112122 is a deficient number, since it is larger than the sum of its proper divisors (163050294947438).

313013212112122 is a wasteful number, since it uses less digits than its factorization.

313013212112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504101697.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 313013212112122 its reverse (221211212310313), we get a palindrome (534224424422435).

The spelling of 313013212112122 in words is "three hundred thirteen trillion, thirteen billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-two".