112520017100 has 36 divisors (see below), whose sum is σ = 245807184000. Its totient is φ = 44705933760.

The previous prime is 112520017073. The next prime is 112520017109. The reversal of 112520017100 is 1710025211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (112520017109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3760940 + ... + 3790739.

Almost surely, 2^112520017100 is an apocalyptic number.

112520017100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112520017100 is an abundant number, since it is smaller than the sum of its proper divisors (133287166900).

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

112520017100 is a wasteful number, since it uses less digits than its factorization.

112520017100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7551842 (or 7551835 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 20.

The spelling of 112520017100 in words is "one hundred twelve billion, five hundred twenty million, seventeen thousand, one hundred".