212101200000222 has 32 divisors (see below), whose sum is σ = 463091345007648. Its totient is φ = 64367908955136.

The previous prime is 212101200000197. The next prime is 212101200000253. The reversal of 212101200000222 is 222000002101212.

It is a congruent number.

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, 18624967963 + ... + 18624979350.

It is an arithmetic number, because the mean of its divisors is an integer number (14471604531489).

Almost surely, 2^{212101200000222} is an apocalyptic number.

212101200000222 is an abundant number, since it is smaller than the sum of its proper divisors (250990145007426).

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

212101200000222 is a wasteful number, since it uses less digits than its factorization.

212101200000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37249947404.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212101200000222 its reverse (222000002101212), we get a palindrome (434101202101434).

The spelling of 212101200000222 in words is "two hundred twelve trillion, one hundred one billion, two hundred million, two hundred twenty-two", and thus it is an aban number.