220112311312 has 20 divisors (see below), whose sum is σ = 429535719760. Its totient is φ = 109264383648.

The previous prime is 220112311303. The next prime is 220112311403. The reversal of 220112311312 is 213113211022.

It is a super-2 number, since 2×220112311312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220112311312.

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, 49483458 + ... + 49487905.

It is an arithmetic number, because the mean of its divisors is an integer number (21476785988).

Almost surely, 2^220112311312 is an apocalyptic number.

It is an amenable number.

220112311312 is a deficient number, since it is larger than the sum of its proper divisors (209423408448).

220112311312 is a wasteful number, since it uses less digits than its factorization.

220112311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98971510 (or 98971504 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 220112311312 its reverse (213113211022), we get a palindrome (433225522334).

The spelling of 220112311312 in words is "two hundred twenty billion, one hundred twelve million, three hundred eleven thousand, three hundred twelve".