212210012211 has 4 divisors (see below), whose sum is σ = 282946682952. Its totient is φ = 141473341472.

The previous prime is 212210012207. The next prime is 212210012219. The reversal of 212210012211 is 112210012212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212210012211 - 2² = 212210012207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212210012219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35368335366 + ... + 35368335371.

It is an arithmetic number, because the mean of its divisors is an integer number (70736670738).

Almost surely, 2^212210012211 is an apocalyptic number.

212210012211 is a deficient number, since it is larger than the sum of its proper divisors (70736670741).

212210012211 is an equidigital number, since it uses as much as digits as its factorization.

212210012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70736670740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212210012211 its reverse (112210012212), we get a palindrome (324420024423).

Subtracting from 212210012211 its reverse (112210012212), we obtain a palindrome (99999999999).

The spelling of 212210012211 in words is "two hundred twelve billion, two hundred ten million, twelve thousand, two hundred eleven".