220312333212 has 12 divisors (see below), whose sum is σ = 514062110856. Its totient is φ = 73437444400.

The previous prime is 220312333207. The next prime is 220312333247. The reversal of 220312333212 is 212333213022.

220312333212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 9179680539 + ... + 9179680562.

It is an arithmetic number, because the mean of its divisors is an integer number (42838509238).

Almost surely, 2^220312333212 is an apocalyptic number.

It is an amenable number.

220312333212 is an abundant number, since it is smaller than the sum of its proper divisors (293749777644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220312333212 is a wasteful number, since it uses less digits than its factorization.

220312333212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18359361108 (or 18359361106 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 220312333212 its reverse (212333213022), we get a palindrome (432645546234).

The spelling of 220312333212 in words is "two hundred twenty billion, three hundred twelve million, three hundred thirty-three thousand, two hundred twelve".