200012117 has 4 divisors (see below), whose sum is σ = 208708320. Its totient is φ = 191315916.

The previous prime is 200012083. The next prime is 200012129. The reversal of 200012117 is 711210002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200012117 - 2¹² = 200008021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200012167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348067 + ... + 4348112.

It is an arithmetic number, because the mean of its divisors is an integer number (52177080).

Almost surely, 2^200012117 is an apocalyptic number.

It is an amenable number.

200012117 is a deficient number, since it is larger than the sum of its proper divisors (8696203).

200012117 is an equidigital number, since it uses as much as digits as its factorization.

200012117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696202.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 200012117 is about 14142.5640178859. The cubic root of 200012117 is about 584.8153575117.

Adding to 200012117 its reverse (711210002), we get a palindrome (911222119).

The spelling of 200012117 in words is "two hundred million, twelve thousand, one hundred seventeen".