212021202202212 has 48 divisors (see below), whose sum is σ = 533297160527040. Its totient is φ = 65172892844928.

The previous prime is 212021202202171. The next prime is 212021202202279. The reversal of 212021202202212 is 212202202120212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670676262 + ... + 670992317.

It is an arithmetic number, because the mean of its divisors is an integer number (11110357510980).

Almost surely, 2^{212021202202212} is an apocalyptic number.

It is an amenable number.

212021202202212 is an abundant number, since it is smaller than the sum of its proper divisors (321275958324828).

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

212021202202212 is a wasteful number, since it uses less digits than its factorization.

212021202202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341669612 (or 1341669610 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212021202202212 its reverse (212202202120212), we get a palindrome (424223404322424).

The spelling of 212021202202212 in words is "two hundred twelve trillion, twenty-one billion, two hundred two million, two hundred two thousand, two hundred twelve".