212332202321 has 2 divisors, whose sum is σ = 212332202322. Its totient is φ = 212332202320.

The previous prime is 212332202297. The next prime is 212332202377. The reversal of 212332202321 is 123202233212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180719362321 + 31612840000 = 425111^2 + 177800^2 .

It is a cyclic number.

It is not a de Polignac number, because 212332202321 - 2²⁶ = 212265093457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212332292321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166101160 + 106166101161.

It is an arithmetic number, because the mean of its divisors is an integer number (106166101161).

Almost surely, 2^212332202321 is an apocalyptic number.

It is an amenable number.

212332202321 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332202321 is an equidigital number, since it uses as much as digits as its factorization.

212332202321 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 212332202321 its reverse (123202233212), we get a palindrome (335534435533).

The spelling of 212332202321 in words is "two hundred twelve billion, three hundred thirty-two million, two hundred two thousand, three hundred twenty-one".