202212221012 has 12 divisors (see below), whose sum is σ = 353912551860. Its totient is φ = 101094349056.

The previous prime is 202212221011. The next prime is 202212221033. The reversal of 202212221012 is 210122212202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 119386834576 + 82825386436 = 345524^2 + 287794^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212221011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901623 + ... + 2970494.

It is an arithmetic number, because the mean of its divisors is an integer number (29492712655).

Almost surely, 2^202212221012 is an apocalyptic number.

It is an amenable number.

202212221012 is a deficient number, since it is larger than the sum of its proper divisors (151700330848).

202212221012 is a wasteful number, since it uses less digits than its factorization.

202212221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880730 (or 5880728 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202212221012 its reverse (210122212202), we get a palindrome (412334433214).

The spelling of 202212221012 in words is "two hundred two billion, two hundred twelve million, two hundred twenty-one thousand, twelve".