210212221142209 has 64 divisors (see below), whose sum is σ = 248972218387200. Its totient is φ = 174972542976000.

The previous prime is 210212221142191. The next prime is 210212221142227. The reversal of 210212221142209 is 902241122212012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210212221142191) and next prime (210212221142227).

It is not a de Polignac number, because 210212221142209 - 2²⁷ = 210212086924481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (210212221140209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17214982114 + ... + 17214994324.

It is an arithmetic number, because the mean of its divisors is an integer number (3890190912300).

Almost surely, 2^{210212221142209} is an apocalyptic number.

It is an amenable number.

210212221142209 is a deficient number, since it is larger than the sum of its proper divisors (38759997244991).

210212221142209 is a wasteful number, since it uses less digits than its factorization.

210212221142209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242.

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 210212221142209 in words is "two hundred ten trillion, two hundred twelve billion, two hundred twenty-one million, one hundred forty-two thousand, two hundred nine".