313200221212 has 24 divisors (see below), whose sum is σ = 567434493360. Its totient is φ = 151084348800.

The previous prime is 313200221209. The next prime is 313200221263. The reversal of 313200221212 is 212122002313.

It is a self number, because there is not a number n which added to its sum of digits gives 313200221212.

It is a congruent number.

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, 881289 + ... + 1184512.

It is an arithmetic number, because the mean of its divisors is an integer number (23643103890).

Almost surely, 2^313200221212 is an apocalyptic number.

It is an amenable number.

313200221212 is a deficient number, since it is larger than the sum of its proper divisors (254234272148).

313200221212 is a wasteful number, since it uses less digits than its factorization.

313200221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067141 (or 2067139 counting only the distinct ones).

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

Adding to 313200221212 its reverse (212122002313), we get a palindrome (525322223525).

The spelling of 313200221212 in words is "three hundred thirteen billion, two hundred million, two hundred twenty-one thousand, two hundred twelve".