200012100 has 36 divisors (see below), whose sum is σ = 578702544. Its totient is φ = 53336480.

The previous prime is 200012083. The next prime is 200012129. The reversal of 200012100 is 1210002.

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, 333054 + ... + 333653.

Almost surely, 2^200012100 is an apocalyptic number.

200012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012100 is an abundant number, since it is smaller than the sum of its proper divisors (378690444).

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

200012100 is a wasteful number, since it uses less digits than its factorization.

200012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666724 (or 666717 counting only the distinct ones).

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

The square root of 200012100 is about 14142.5634168633. The cubic root of 200012100 is about 584.8153409430.

Adding to 200012100 its reverse (1210002), we get a palindrome (201222102).

The spelling of 200012100 in words is "two hundred million, twelve thousand, one hundred".