201220202102212 has 48 divisors (see below), whose sum is σ = 375141873274560. Its totient is φ = 94164656053248.

The previous prime is 201220202102209. The next prime is 201220202102281. The reversal of 201220202102212 is 212201202022102.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 201220202102212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363019708 + ... + 363573580.

It is an arithmetic number, because the mean of its divisors is an integer number (7815455693220).

Almost surely, 2^{201220202102212} is an apocalyptic number.

It is an amenable number.

201220202102212 is a deficient number, since it is larger than the sum of its proper divisors (173921671172348).

201220202102212 is a wasteful number, since it uses less digits than its factorization.

201220202102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611572 (or 611570 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 201220202102212 its reverse (212201202022102), we get a palindrome (413421404124314).

The spelling of 201220202102212 in words is "two hundred one trillion, two hundred twenty billion, two hundred two million, one hundred two thousand, two hundred twelve".