202221001211212 has 12 divisors (see below), whose sum is σ = 353902433881360. Its totient is φ = 101106020102256.

The previous prime is 202221001211209. The next prime is 202221001211291. The reversal of 202221001211212 is 212112100122202.

It is a self number, because there is not a number n which added to its sum of digits gives 202221001211212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1120024287 + ... + 1120204822.

Almost surely, 2^{202221001211212} is an apocalyptic number.

It is an amenable number.

202221001211212 is a deficient number, since it is larger than the sum of its proper divisors (151681432670148).

202221001211212 is a wasteful number, since it uses less digits than its factorization.

202221001211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240251680 (or 2240251678 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 202221001211212 its reverse (212112100122202), we get a palindrome (414333101333414).

The spelling of 202221001211212 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred eleven thousand, two hundred twelve".