212302330021321 has 2 divisors, whose sum is σ = 212302330021322. Its totient is φ = 212302330021320.

The previous prime is 212302330021289. The next prime is 212302330021339. The reversal of 212302330021321 is 123120033203212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 127113786525625 + 85188543495696 = 11274475^2 + 9229764^2 .

It is a cyclic number.

It is not a de Polignac number, because 212302330021321 - 2⁵ = 212302330021289 is a prime.

It is a super-3 number, since 3×212302330021321³ (a number of 44 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (212302330021361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106151165010660 + 106151165010661.

It is an arithmetic number, because the mean of its divisors is an integer number (106151165010661).

Almost surely, 2^{212302330021321} is an apocalyptic number.

It is an amenable number.

212302330021321 is a deficient number, since it is larger than the sum of its proper divisors (1).

212302330021321 is an equidigital number, since it uses as much as digits as its factorization.

212302330021321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 212302330021321 its reverse (123120033203212), we get a palindrome (335422363224533).

The spelling of 212302330021321 in words is "two hundred twelve trillion, three hundred two billion, three hundred thirty million, twenty-one thousand, three hundred twenty-one".