212112201212211 has 16 divisors (see below), whose sum is σ = 283152807916160. Its totient is φ = 141239882710080.

The previous prime is 212112201212207. The next prime is 212112201212213. The reversal of 212112201212211 is 112212102211212.

It is not a de Polignac number, because 212112201212211 - 2² = 212112201212207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212112201212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44044695 + ... + 48622623.

It is an arithmetic number, because the mean of its divisors is an integer number (17697050494760).

Almost surely, 2^{212112201212211} is an apocalyptic number.

212112201212211 is a deficient number, since it is larger than the sum of its proper divisors (71040606703949).

212112201212211 is a wasteful number, since it uses less digits than its factorization.

212112201212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596306.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212112201212211 its reverse (112212102211212), we get a palindrome (324324303423423).

Subtracting from 212112201212211 its reverse (112212102211212), we obtain a palindrome (99900099000999).

The spelling of 212112201212211 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred one million, two hundred twelve thousand, two hundred eleven".