212112010111211 has 8 divisors (see below), whose sum is σ = 242413875032544. Its totient is φ = 181810182487680.

The previous prime is 212112010111139. The next prime is 212112010111213. The reversal of 212112010111211 is 112111010211212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212112010111211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212112010111211.

It is not an unprimeable number, because it can be changed into a prime (212112010111213) 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 7 ways as a sum of consecutive naturals, for example, 4162451 + ... + 21013091.

It is an arithmetic number, because the mean of its divisors is an integer number (30301734379068).

Almost surely, 2^{212112010111211} is an apocalyptic number.

212112010111211 is a deficient number, since it is larger than the sum of its proper divisors (30301864921333).

212112010111211 is a wasteful number, since it uses less digits than its factorization.

212112010111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18648901.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 212112010111211 its reverse (112111010211212), we get a palindrome (324223020322423).

The spelling of 212112010111211 in words is "two hundred twelve trillion, one hundred twelve billion, ten million, one hundred eleven thousand, two hundred eleven".