212202221122212 has 24 divisors (see below), whose sum is σ = 495157619980800. Its totient is φ = 70731344560416.

The previous prime is 212202221122211. The next prime is 212202221122223. The reversal of 212202221122212 is 212221122202212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (212202221122211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340819387 + ... + 341441442.

It is an arithmetic number, because the mean of its divisors is an integer number (20631567499200).

Almost surely, 2^{212202221122212} is an apocalyptic number.

It is an amenable number.

212202221122212 is an abundant number, since it is smaller than the sum of its proper divisors (282955398858588).

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

212202221122212 is a wasteful number, since it uses less digits than its factorization.

212202221122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682286755 (or 682286753 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 212202221122212 its reverse (212221122202212), we get a palindrome (424423343324424).

The spelling of 212202221122212 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twelve".