220112212312 has 16 divisors (see below), whose sum is σ = 414848796840. Its totient is φ = 109485866496.

The previous prime is 220112212291. The next prime is 220112212319. The reversal of 220112212312 is 213212211022.

It is a self number, because there is not a number n which added to its sum of digits gives 220112212312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112212319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71278318 + ... + 71281405.

Almost surely, 2^220112212312 is an apocalyptic number.

It is an amenable number.

220112212312 is a deficient number, since it is larger than the sum of its proper divisors (194736584528).

220112212312 is a wasteful number, since it uses less digits than its factorization.

220112212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142559922 (or 142559918 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220112212312 its reverse (213212211022), we get a palindrome (433324423334).

The spelling of 220112212312 in words is "two hundred twenty billion, one hundred twelve million, two hundred twelve thousand, three hundred twelve".