220113112312 has 128 divisors (see below), whose sum is σ = 466836480000. Its totient is φ = 96675710976.

The previous prime is 220113112279. The next prime is 220113112313. The reversal of 220113112312 is 213211311022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 220113112312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220113112313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125134489 + ... + 125136247.

It is an arithmetic number, because the mean of its divisors is an integer number (3647160000).

Almost surely, 2^220113112312 is an apocalyptic number.

It is an amenable number.

220113112312 is an abundant number, since it is smaller than the sum of its proper divisors (246723367688).

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

220113112312 is a wasteful number, since it uses less digits than its factorization.

220113112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2489 counting only the distinct ones).

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

Adding to 220113112312 its reverse (213211311022), we get a palindrome (433324423334).

The spelling of 220113112312 in words is "two hundred twenty billion, one hundred thirteen million, one hundred twelve thousand, three hundred twelve".