220312112331312 has 60 divisors (see below), whose sum is σ = 616572323017560. Its totient is φ = 73436847001344.

The previous prime is 220312112331307. The next prime is 220312112331349. The reversal of 220312112331312 is 213133211213022.

220312112331312 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 1 + 2 + 1 + 12 + 331 + 312 = 666.

220312112331312 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15071239 + ... + 25841177.

It is an arithmetic number, because the mean of its divisors is an integer number (10276205383626).

Almost surely, 2^{220312112331312} is an apocalyptic number.

It is an amenable number.

220312112331312 is an abundant number, since it is smaller than the sum of its proper divisors (396260210686248).

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

220312112331312 is a wasteful number, since it uses less digits than its factorization.

220312112331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10912010 (or 10912001 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 220312112331312 its reverse (213133211213022), we get a palindrome (433445323544334).

The spelling of 220312112331312 in words is "two hundred twenty trillion, three hundred twelve billion, one hundred twelve million, three hundred thirty-one thousand, three hundred twelve".