113012032112 has 160 divisors (see below), whose sum is σ = 257023549440. Its totient is φ = 47145000960.

The previous prime is 113012032109. The next prime is 113012032153. The reversal of 113012032112 is 211230210311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222027314 + ... + 222027822.

It is an arithmetic number, because the mean of its divisors is an integer number (1606397184).

Almost surely, 2^113012032112 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 113012032112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128511774720).

113012032112 is an abundant number, since it is smaller than the sum of its proper divisors (144011517328).

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

113012032112 is a wasteful number, since it uses less digits than its factorization.

113012032112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 913 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113012032112 its reverse (211230210311), we get a palindrome (324242242423).

The spelling of 113012032112 in words is "one hundred thirteen billion, twelve million, thirty-two thousand, one hundred twelve".