212012002200209 has 4 divisors (see below), whose sum is σ = 212012041090416. Its totient is φ = 212011963310004.

The previous prime is 212012002200161. The next prime is 212012002200217. The reversal of 212012002200209 is 902002200210212.

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 a de Polignac number, because none of the positive numbers 2^k-212012002200209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212012002205209) 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, 9609419 + ... + 22723664.

It is an arithmetic number, because the mean of its divisors is an integer number (53003010272604).

Almost surely, 2^{212012002200209} is an apocalyptic number.

It is an amenable number.

212012002200209 is a deficient number, since it is larger than the sum of its proper divisors (38890207).

212012002200209 is an equidigital number, since it uses as much as digits as its factorization.

212012002200209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38890206.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 212012002200209 in words is "two hundred twelve trillion, twelve billion, two million, two hundred thousand, two hundred nine".