212202222320312 has 128 divisors (see below), whose sum is σ = 486150246005760. Its totient is φ = 84852684026880.

The previous prime is 212202222320299. The next prime is 212202222320327. The reversal of 212202222320312 is 213023222202212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293938463 + ... + 294659505.

It is an arithmetic number, because the mean of its divisors is an integer number (3798048796920).

Almost surely, 2^{212202222320312} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212202222320312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243075123002880).

212202222320312 is an abundant number, since it is smaller than the sum of its proper divisors (273948023685448).

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

212202222320312 is a wasteful number, since it uses less digits than its factorization.

212202222320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726693 (or 726689 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 212202222320312 its reverse (213023222202212), we get a palindrome (425225444522524).

The spelling of 212202222320312 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, three hundred twenty thousand, three hundred twelve".