220312232012112 has 160 divisors (see below), whose sum is σ = 618973005763584. Its totient is φ = 67242212352000.

The previous prime is 220312232012087. The next prime is 220312232012137. The reversal of 220312232012112 is 211210232213022.

It is an interprime number because it is at equal distance from previous prime (220312232012087) and next prime (220312232012137).

It is a super-2 number, since 2×220312232012112² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280725862 + ... + 281509562.

Almost surely, 2^{220312232012112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220312232012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309486502881792).

220312232012112 is an abundant number, since it is smaller than the sum of its proper divisors (398660773751472).

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

220312232012112 is a wasteful number, since it uses less digits than its factorization.

220312232012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793077 (or 793071 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 220312232012112 its reverse (211210232213022), we get a palindrome (431522464225134).

The spelling of 220312232012112 in words is "two hundred twenty trillion, three hundred twelve billion, two hundred thirty-two million, twelve thousand, one hundred twelve".