212000023321 has 4 divisors (see below), whose sum is σ = 214683568000. Its totient is φ = 209316478644.

The previous prime is 212000023289. The next prime is 212000023331. The reversal of 212000023321 is 123320000212.

212000023321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212000023321 - 2⁵ = 212000023289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212000023295 and 212000023304.

It is not an unprimeable number, because it can be changed into a prime (212000023331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341772221 + ... + 1341772378.

It is an arithmetic number, because the mean of its divisors is an integer number (53670892000).

Almost surely, 2^212000023321 is an apocalyptic number.

It is an amenable number.

212000023321 is a deficient number, since it is larger than the sum of its proper divisors (2683544679).

212000023321 is an equidigital number, since it uses as much as digits as its factorization.

212000023321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683544678.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212000023321 its reverse (123320000212), we get a palindrome (335320023533).

The spelling of 212000023321 in words is "two hundred twelve billion, twenty-three thousand, three hundred twenty-one".