100120200 has 48 divisors (see below), whose sum is σ = 310374480. Its totient is φ = 26698560.

The previous prime is 100120183. The next prime is 100120213. The reversal of 100120200 is 2021001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82834 + ... + 84033.

It is an arithmetic number, because the mean of its divisors is an integer number (6466135).

Almost surely, 2^100120200 is an apocalyptic number.

100120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100120200 is an abundant number, since it is smaller than the sum of its proper divisors (210254280).

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

100120200 is a wasteful number, since it uses less digits than its factorization.

100120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166886 (or 166877 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 100120200 is about 10006.0081950796. The cubic root of 100120200 is about 464.3447818904.

Adding to 100120200 its reverse (2021001), we get a palindrome (102141201).

The spelling of 100120200 in words is "one hundred million, one hundred twenty thousand, two hundred".