120112100 has 36 divisors (see below), whose sum is σ = 261691584. Its totient is φ = 47851680.

The previous prime is 120112087. The next prime is 120112121. The reversal of 120112100 is 1211021.

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 11 ways as a sum of consecutive naturals, for example, 24017 + ... + 28583.

Almost surely, 2^120112100 is an apocalyptic number.

120112100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112100 is an abundant number, since it is smaller than the sum of its proper divisors (141579484).

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

120112100 is a wasteful number, since it uses less digits than its factorization.

120112100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844 (or 4837 counting only the distinct ones).

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

The square root of 120112100 is about 10959.5665972702. The cubic root of 120112100 is about 493.3959572721.

Adding to 120112100 its reverse (1211021), we get a palindrome (121323121).

The spelling of 120112100 in words is "one hundred twenty million, one hundred twelve thousand, one hundred".