2122201212009 has 16 divisors (see below), whose sum is σ = 2856220740288. Its totient is φ = 1401492859712.

The previous prime is 2122201211909. The next prime is 2122201212023. The reversal of 2122201212009 is 9002121022212.

It is a cyclic number.

It is not a de Polignac number, because 2122201212009 - 2¹³ = 2122201203817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122201212009.

It is not an unprimeable number, because it can be changed into a prime (2122201213009) 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, 5301439 + ... + 5687675.

It is an arithmetic number, because the mean of its divisors is an integer number (178513796268).

Almost surely, 2^{2122201212009} is an apocalyptic number.

It is an amenable number.

2122201212009 is a deficient number, since it is larger than the sum of its proper divisors (734019528279).

2122201212009 is a wasteful number, since it uses less digits than its factorization.

2122201212009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403464.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 2122201212009 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two hundred twelve thousand, nine".