120100112 has 40 divisors (see below), whose sum is σ = 264893760. Its totient is φ = 52215680.

The previous prime is 120100103. The next prime is 120100139. The reversal of 120100112 is 211001021.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 120100112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10787 + ... + 18882.

It is an arithmetic number, because the mean of its divisors is an integer number (6622344).

Almost surely, 2^120100112 is an apocalyptic number.

It is an amenable number.

120100112 is an abundant number, since it is smaller than the sum of its proper divisors (144793648).

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

120100112 is a wasteful number, since it uses less digits than its factorization.

120100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29711 (or 29705 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 120100112 is about 10959.0196641853. The cubic root of 120100112 is about 493.3795419747.

Adding to 120100112 its reverse (211001021), we get a palindrome (331101133).

Subtracting 120100112 from its reverse (211001021), we obtain a palindrome (90900909).

The spelling of 120100112 in words is "one hundred twenty million, one hundred thousand, one hundred twelve".