313012202122 has 8 divisors (see below), whose sum is σ = 469520847396. Its totient is φ = 156505252992.

The previous prime is 313012202059. The next prime is 313012202147. The reversal of 313012202122 is 221202210313.

It can be written as a sum of positive squares in 2 ways, for example, as 223359266881 + 89652935241 = 472609^2 + 299421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 313012202122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254448 + ... + 831124.

Almost surely, 2^313012202122 is an apocalyptic number.

313012202122 is a deficient number, since it is larger than the sum of its proper divisors (156508645274).

313012202122 is a wasteful number, since it uses less digits than its factorization.

313012202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848072.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 313012202122 its reverse (221202210313), we get a palindrome (534214412435).

The spelling of 313012202122 in words is "three hundred thirteen billion, twelve million, two hundred two thousand, one hundred twenty-two".