113232111312 has 80 divisors (see below), whose sum is σ = 302763304448. Its totient is φ = 36428382720.

The previous prime is 113232111287. The next prime is 113232111329. The reversal of 113232111312 is 213111232311.

It is a super-2 number, since 2×113232111312² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453018 + ... + 657030.

Almost surely, 2^113232111312 is an apocalyptic number.

113232111312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113232111312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151381652224).

113232111312 is an abundant number, since it is smaller than the sum of its proper divisors (189531193136).

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

113232111312 is a wasteful number, since it uses less digits than its factorization.

113232111312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204428 (or 204422 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

Adding to 113232111312 its reverse (213111232311), we get a palindrome (326343343623).

The spelling of 113232111312 in words is "one hundred thirteen billion, two hundred thirty-two million, one hundred eleven thousand, three hundred twelve".