200214187209 has 45 divisors (see below), whose sum is σ = 303238483933. Its totient is φ = 131647831848.

The previous prime is 200214187183. The next prime is 200214187223. The reversal of 200214187209 is 902781412002.

The square root of 200214187209 is 447453.

It is a perfect power (a square), and thus also a powerful number.

200214187209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200214187209 - 2²³ = 200205798601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200214187009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 334247092 + ... + 334247690.

Almost surely, 2^200214187209 is an apocalyptic number.

200214187209 is the 447453-rd square number.

200214187209 is the 223727-th centered octagonal number.

It is an amenable number.

200214187209 is a deficient number, since it is larger than the sum of its proper divisors (103024296724).

200214187209 is an frugal number, since it uses more digits than its factorization.

200214187209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

Multiplying 200214187209 by its sum of digits (36), we get a square (7207710739524 = 2684718²).

The spelling of 200214187209 in words is "two hundred billion, two hundred fourteen million, one hundred eighty-seven thousand, two hundred nine".