2212120010209 has 16 divisors (see below), whose sum is σ = 2258959352832. Its totient is φ = 2165849936208.

The previous prime is 2212120010167. The next prime is 2212120010213. The reversal of 2212120010209 is 9020100212122.

It is a cyclic number.

It is not a de Polignac number, because 2212120010209 - 2⁷ = 2212120010081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212120010209.

It is not an unprimeable number, because it can be changed into a prime (2212120010909) 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, 5344042 + ... + 5743084.

It is an arithmetic number, because the mean of its divisors is an integer number (141184959552).

Almost surely, 2^{2212120010209} is an apocalyptic number.

It is an amenable number.

2212120010209 is a deficient number, since it is larger than the sum of its proper divisors (46839342623).

2212120010209 is a wasteful number, since it uses less digits than its factorization.

2212120010209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399756.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 2212120010209 in words is "two trillion, two hundred twelve billion, one hundred twenty million, ten thousand, two hundred nine".