212202121321112 has 32 divisors (see below), whose sum is σ = 428557641583680. Its totient is φ = 97922848857600.

The previous prime is 212202121321061. The next prime is 212202121321139. The reversal of 212202121321112 is 211123121202212.

212202121321112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 172213889 + ... + 173441712.

It is an arithmetic number, because the mean of its divisors is an integer number (13392426299490).

Almost surely, 2^{212202121321112} is an apocalyptic number.

It is an amenable number.

212202121321112 is an abundant number, since it is smaller than the sum of its proper divisors (216355520262568).

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

212202121321112 is a wasteful number, since it uses less digits than its factorization.

212202121321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345661523 (or 345661519 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 212202121321112 its reverse (211123121202212), we get a palindrome (423325242523324).

The spelling of 212202121321112 in words is "two hundred twelve trillion, two hundred two billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred twelve".