202112211220212 has 24 divisors (see below), whose sum is σ = 481629099079296. Its totient is φ = 65937317135488.

The previous prime is 202112211220201. The next prime is 202112211220253. The reversal of 202112211220212 is 212022112211202.

It is a super-3 number, since 3×202112211220212³ (a number of 44 digits) contains 333 as substring.

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, 179177491653 + ... + 179177492780.

It is an arithmetic number, because the mean of its divisors is an integer number (20067879128304).

Almost surely, 2^{202112211220212} is an apocalyptic number.

It is an amenable number.

202112211220212 is an abundant number, since it is smaller than the sum of its proper divisors (279516887859084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202112211220212 is a wasteful number, since it uses less digits than its factorization.

202112211220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358354984487 (or 358354984485 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 202112211220212 its reverse (212022112211202), we get a palindrome (414134323431414).

The spelling of 202112211220212 in words is "two hundred two trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred twelve".