212322023311 has 16 divisors (see below), whose sum is σ = 225430732800. Its totient is φ = 199282681728.

The previous prime is 212322023281. The next prime is 212322023317. The reversal of 212322023311 is 113320223212.

It is a cyclic number.

It is not a de Polignac number, because 212322023311 - 2²³ = 212313634703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212322023317) 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, 13533970 + ... + 13549648.

It is an arithmetic number, because the mean of its divisors is an integer number (14089420800).

Almost surely, 2^212322023311 is an apocalyptic number.

212322023311 is a deficient number, since it is larger than the sum of its proper divisors (13108709489).

212322023311 is a wasteful number, since it uses less digits than its factorization.

212322023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17838.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212322023311 its reverse (113320223212), we get a palindrome (325642246523).

The spelling of 212322023311 in words is "two hundred twelve billion, three hundred twenty-two million, twenty-three thousand, three hundred eleven".