200012109 has 16 divisors (see below), whose sum is σ = 291164160. Its totient is φ = 121120560.

The previous prime is 200012083. The next prime is 200012129. The reversal of 200012109 is 901210002.

It is a happy number.

It is not a de Polignac number, because 200012109 - 2⁵ = 200012077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72534 + ... + 75240.

It is an arithmetic number, because the mean of its divisors is an integer number (18197760).

Almost surely, 2^200012109 is an apocalyptic number.

It is an amenable number.

200012109 is a deficient number, since it is larger than the sum of its proper divisors (91152051).

200012109 is a wasteful number, since it uses less digits than its factorization.

200012109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 200012109 is about 14142.5637350517. The cubic root of 200012109 is about 584.8153497147.

The spelling of 200012109 in words is "two hundred million, twelve thousand, one hundred nine".