212322323211 has 16 divisors (see below), whose sum is σ = 295416623616. Its totient is φ = 135388604736.

The previous prime is 212322323207. The next prime is 212322323281. The reversal of 212322323211 is 112323223212.

It is not a de Polignac number, because 212322323211 - 2² = 212322323207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212322323201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446386 + ... + 2531688.

It is an arithmetic number, because the mean of its divisors is an integer number (18463538976).

Almost surely, 2^212322323211 is an apocalyptic number.

212322323211 is a deficient number, since it is larger than the sum of its proper divisors (83094300405).

212322323211 is a wasteful number, since it uses less digits than its factorization.

212322323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121402.

The product of its digits is 1728, while the sum is 24.

Adding to 212322323211 its reverse (112323223212), we get a palindrome (324645546423).

Subtracting from 212322323211 its reverse (112323223212), we obtain a palindrome (99999099999).

The spelling of 212322323211 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred twenty-three thousand, two hundred eleven".