212221220201202 has 128 divisors (see below), whose sum is σ = 466489327288320. Its totient is φ = 64073052241920.

The previous prime is 212221220201191. The next prime is 212221220201279. The reversal of 212221220201202 is 202102022122212.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1622631903 + ... + 1622762685.

It is an arithmetic number, because the mean of its divisors is an integer number (3644447869440).

Almost surely, 2^{212221220201202} is an apocalyptic number.

212221220201202 is an abundant number, since it is smaller than the sum of its proper divisors (254268107087118).

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

212221220201202 is a wasteful number, since it uses less digits than its factorization.

212221220201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133688.

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

Adding to 212221220201202 its reverse (202102022122212), we get a palindrome (414323242323414).

The spelling of 212221220201202 in words is "two hundred twelve trillion, two hundred twenty-one billion, two hundred twenty million, two hundred one thousand, two hundred two".