1323212130329 has 2 divisors, whose sum is σ = 1323212130330. Its totient is φ = 1323212130328.

The previous prime is 1323212130287. The next prime is 1323212130341. The reversal of 1323212130329 is 9230312123231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 906212610304 + 416999520025 = 951952^2 + 645755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323212130329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1323212130295 and 1323212130304.

It is not a weakly prime, because it can be changed into another prime (1323212160329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661606065164 + 661606065165.

It is an arithmetic number, because the mean of its divisors is an integer number (661606065165).

Almost surely, 2^{1323212130329} is an apocalyptic number.

It is an amenable number.

1323212130329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323212130329 is an equidigital number, since it uses as much as digits as its factorization.

1323212130329 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 32.

It can be divided in two parts, 1323212 and 130329, that added together give a palindrome (1453541).

The spelling of 1323212130329 in words is "one trillion, three hundred twenty-three billion, two hundred twelve million, one hundred thirty thousand, three hundred twenty-nine".