212330002321 has 2 divisors, whose sum is σ = 212330002322. Its totient is φ = 212330002320.

The previous prime is 212330002289. The next prime is 212330002331. The reversal of 212330002321 is 123200033212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207535824721 + 4794177600 = 455561^2 + 69240^2 .

It is a cyclic number.

It is not a de Polignac number, because 212330002321 - 2⁵ = 212330002289 is a prime.

It is not a weakly prime, because it can be changed into another prime (212330002331) 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 as a sum of consecutive naturals, namely, 106165001160 + 106165001161.

It is an arithmetic number, because the mean of its divisors is an integer number (106165001161).

Almost surely, 2^212330002321 is an apocalyptic number.

It is an amenable number.

212330002321 is a deficient number, since it is larger than the sum of its proper divisors (1).

212330002321 is an equidigital number, since it uses as much as digits as its factorization.

212330002321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212330002321 its reverse (123200033212), we get a palindrome (335530035533).

The spelling of 212330002321 in words is "two hundred twelve billion, three hundred thirty million, two thousand, three hundred twenty-one".