202221121212212 has 24 divisors (see below), whose sum is σ = 354256974175104. Its totient is φ = 101004845270112.

The previous prime is 202221121212203. The next prime is 202221121212221. The reversal of 202221121212212 is 212212121122202.

It is an interprime number because it is at equal distance from previous prime (202221121212203) and next prime (202221121212221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411646238 + ... + 412137194.

It is an arithmetic number, because the mean of its divisors is an integer number (14760707257296).

Almost surely, 2^{202221121212212} is an apocalyptic number.

It is an amenable number.

202221121212212 is a deficient number, since it is larger than the sum of its proper divisors (152035852962892).

202221121212212 is a wasteful number, since it uses less digits than its factorization.

202221121212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598415 (or 598413 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 202221121212212 its reverse (212212121122202), we get a palindrome (414433242334414).

The spelling of 202221121212212 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twelve thousand, two hundred twelve".