100000120200 has 96 divisors (see below), whose sum is σ = 313069872960. Its totient is φ = 26402656000.

The previous prime is 100000120183. The next prime is 100000120217. The reversal of 100000120200 is 2021000001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100000120183) and next prime (100000120217).

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 23 ways as a sum of consecutive naturals, for example, 764484 + ... + 885683.

It is an arithmetic number, because the mean of its divisors is an integer number (3261144510).

Almost surely, 2^100000120200 is an apocalyptic number.

100000120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000120200 is an abundant number, since it is smaller than the sum of its proper divisors (213069752760).

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

100000120200 is a wasteful number, since it uses less digits than its factorization.

100000120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650287 (or 1650278 counting only the distinct ones).

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

Adding to 100000120200 its reverse (2021000001), we get a palindrome (102021120201).

It can be divided in two parts, 1000001 and 20200, that added together give a palindrome (1020201).

The spelling of 100000120200 in words is "one hundred billion, one hundred twenty thousand, two hundred".