220313312012 has 24 divisors (see below), whose sum is σ = 389646621504. Its totient is φ = 108988325712.

The previous prime is 220313311957. The next prime is 220313312027. The reversal of 220313312012 is 210213313022.

220313312012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9803 + ... + 663869.

It is an arithmetic number, because the mean of its divisors is an integer number (16235275896).

Almost surely, 2^220313312012 is an apocalyptic number.

It is an amenable number.

220313312012 is a deficient number, since it is larger than the sum of its proper divisors (169333309492).

220313312012 is a wasteful number, since it uses less digits than its factorization.

220313312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654965 (or 654963 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 220313312012 its reverse (210213313022), we get a palindrome (430526625034).

The spelling of 220313312012 in words is "two hundred twenty billion, three hundred thirteen million, three hundred twelve thousand, twelve".