201222210202212 has 24 divisors (see below), whose sum is σ = 469527674202496. Its totient is φ = 67072758105888.

The previous prime is 201222210202157. The next prime is 201222210202217. The reversal of 201222210202212 is 212202012222102.

It is not an unprimeable number, because it can be changed into a prime (201222210202217) 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, 163356028 + ... + 164583219.

Almost surely, 2^{201222210202212} is an apocalyptic number.

It is an amenable number.

201222210202212 is an abundant number, since it is smaller than the sum of its proper divisors (268305464000284).

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

201222210202212 is a wasteful number, since it uses less digits than its factorization.

201222210202212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327990387 (or 327990385 counting only the distinct ones).

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

Adding to 201222210202212 its reverse (212202012222102), we get a palindrome (413424222424314).

The spelling of 201222210202212 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred ten million, two hundred two thousand, two hundred twelve".