2202201221212 has 12 divisors (see below), whose sum is σ = 3856206364920. Its totient is φ = 1100427974096.

The previous prime is 2202201221191. The next prime is 2202201221237. The reversal of 2202201221212 is 2121221022022.

It is a self number, because there is not a number n which added to its sum of digits gives 2202201221212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168151762 + ... + 168164857.

It is an arithmetic number, because the mean of its divisors is an integer number (321350530410).

Almost surely, 2^{2202201221212} is an apocalyptic number.

It is an amenable number.

2202201221212 is a deficient number, since it is larger than the sum of its proper divisors (1654005143708).

2202201221212 is a wasteful number, since it uses less digits than its factorization.

2202201221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336318260 (or 336318258 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2202201221212 its reverse (2121221022022), we get a palindrome (4323422243234).

The spelling of 2202201221212 in words is "two trillion, two hundred two billion, two hundred one million, two hundred twenty-one thousand, two hundred twelve".