212323323211 has 4 divisors (see below), whose sum is σ = 215313792624. Its totient is φ = 209332853800.

The previous prime is 212323323169. The next prime is 212323323259. The reversal of 212323323211 is 112323323212.

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 212323323211 - 2⁷ = 212323323083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212323326211) 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, 1495234600 + ... + 1495234741.

It is an arithmetic number, because the mean of its divisors is an integer number (53828448156).

Almost surely, 2^212323323211 is an apocalyptic number.

212323323211 is a deficient number, since it is larger than the sum of its proper divisors (2990469413).

212323323211 is an equidigital number, since it uses as much as digits as its factorization.

212323323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990469412.

The product of its digits is 2592, while the sum is 25.

Adding to 212323323211 its reverse (112323323212), we get a palindrome (324646646423).

Subtracting from 212323323211 its reverse (112323323212), we obtain a palindrome (99999999999).

The spelling of 212323323211 in words is "two hundred twelve billion, three hundred twenty-three million, three hundred twenty-three thousand, two hundred eleven".