313120220212 has 24 divisors (see below), whose sum is σ = 551742508800. Its totient is φ = 155479902240.

The previous prime is 313120220201. The next prime is 313120220221. The reversal of 313120220212 is 212022021313.

It is a super-2 number, since 2×313120220212² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 313120220212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3285253 + ... + 3379219.

It is an arithmetic number, because the mean of its divisors is an integer number (22989271200).

Almost surely, 2^313120220212 is an apocalyptic number.

It is an amenable number.

313120220212 is a deficient number, since it is larger than the sum of its proper divisors (238622288588).

313120220212 is a wasteful number, since it uses less digits than its factorization.

313120220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99711 (or 99709 counting only the distinct ones).

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

Adding to 313120220212 its reverse (212022021313), we get a palindrome (525142241525).

The spelling of 313120220212 in words is "three hundred thirteen billion, one hundred twenty million, two hundred twenty thousand, two hundred twelve".