113132120112 has 240 divisors, whose sum is σ = 352531865088. Its totient is φ = 33576491520.

The previous prime is 113132120111. The next prime is 113132120141. The reversal of 113132120112 is 211021231311.

113132120112 is a `hidden beast` number, since 1 + 131 + 321 + 201 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113132120111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79501833 + ... + 79503255.

Almost surely, 2^113132120112 is an apocalyptic number.

113132120112 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 113132120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176265932544).

113132120112 is an abundant number, since it is smaller than the sum of its proper divisors (239399744976).

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

113132120112 is a wasteful number, since it uses less digits than its factorization.

113132120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113132120112 its reverse (211021231311), we get a palindrome (324153351423).

The spelling of 113132120112 in words is "one hundred thirteen billion, one hundred thirty-two million, one hundred twenty thousand, one hundred twelve".