1323332210209 has 2 divisors, whose sum is σ = 1323332210210. Its totient is φ = 1323332210208.

The previous prime is 1323332210171. The next prime is 1323332210237. The reversal of 1323332210209 is 9020122333231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322442500625 + 889709584 = 1149975^2 + 29828^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323332210209 - 2²¹ = 1323330113057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323332210269) 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 as a sum of consecutive naturals, namely, 661666105104 + 661666105105.

It is an arithmetic number, because the mean of its divisors is an integer number (661666105105).

Almost surely, 2^{1323332210209} is an apocalyptic number.

It is an amenable number.

1323332210209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323332210209 is an equidigital number, since it uses as much as digits as its factorization.

1323332210209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 1323332210209 in words is "one trillion, three hundred twenty-three billion, three hundred thirty-two million, two hundred ten thousand, two hundred nine".