212332022321 has 2 divisors, whose sum is σ = 212332022322. Its totient is φ = 212332022320.

The previous prime is 212332022299. The next prime is 212332022363. The reversal of 212332022321 is 123220233212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161231159296 + 51100863025 = 401536^2 + 226055^2 .

It is a cyclic number.

It is not a de Polignac number, because 212332022321 - 2²⁶ = 212264913457 is a prime.

It is not a weakly prime, because it can be changed into another prime (212332022521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166011160 + 106166011161.

It is an arithmetic number, because the mean of its divisors is an integer number (106166011161).

Almost surely, 2^212332022321 is an apocalyptic number.

It is an amenable number.

212332022321 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332022321 is an equidigital number, since it uses as much as digits as its factorization.

212332022321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212332022321 its reverse (123220233212), we get a palindrome (335552255533).

The spelling of 212332022321 in words is "two hundred twelve billion, three hundred thirty-two million, twenty-two thousand, three hundred twenty-one".