2122201220012 has 48 divisors (see below), whose sum is σ = 3736357447200. Its totient is φ = 1054696038912.

The previous prime is 2122201219993. The next prime is 2122201220033. The reversal of 2122201220012 is 2100221022212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718657928 + ... + 718660880.

It is an arithmetic number, because the mean of its divisors is an integer number (77840780150).

Almost surely, 2^{2122201220012} is an apocalyptic number.

It is an amenable number.

2122201220012 is a deficient number, since it is larger than the sum of its proper divisors (1614156227188).

2122201220012 is a wasteful number, since it uses less digits than its factorization.

2122201220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770 (or 4768 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122201220012 its reverse (2100221022212), we get a palindrome (4222422242224).

The spelling of 2122201220012 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty thousand, twelve".