202221001200212 has 12 divisors (see below), whose sum is σ = 353886951476436. Its totient is φ = 101110443635520.

The previous prime is 202221001200193. The next prime is 202221001200289. The reversal of 202221001200212 is 212002100122202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3887971578436 + 198333029621776 = 1971794^2 + 14083076^2 .

It is a super-2 number, since 2×202221001200212² (a number of 29 digits) contains 22 as substring.

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, 5682233 + ... + 20898080.

It is an arithmetic number, because the mean of its divisors is an integer number (29490579289703).

Almost surely, 2^{202221001200212} is an apocalyptic number.

It is an amenable number.

202221001200212 is a deficient number, since it is larger than the sum of its proper divisors (151665950276224).

202221001200212 is a wasteful number, since it uses less digits than its factorization.

202221001200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28482298 (or 28482296 counting only the distinct ones).

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

Adding to 202221001200212 its reverse (212002100122202), we get a palindrome (414223101322414).

The spelling of 202221001200212 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred thousand, two hundred twelve".