13321214134321 has 2 divisors, whose sum is σ = 13321214134322. Its totient is φ = 13321214134320.

The previous prime is 13321214134303. The next prime is 13321214134339. The reversal of 13321214134321 is 12343141212331.

It is a balanced prime because it is at equal distance from previous prime (13321214134303) and next prime (13321214134339).

It can be written as a sum of positive squares in only one way, i.e., 7680874130721 + 5640340003600 = 2771439^2 + 2374940^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321214134321 - 2³⁵ = 13286854395953 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321214134121) 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, 6660607067160 + 6660607067161.

It is an arithmetic number, because the mean of its divisors is an integer number (6660607067161).

Almost surely, 2^{13321214134321} is an apocalyptic number.

It is an amenable number.

13321214134321 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321214134321 is an equidigital number, since it uses as much as digits as its factorization.

13321214134321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

Adding to 13321214134321 its reverse (12343141212331), we get a palindrome (25664355346652).

The spelling of 13321214134321 in words is "thirteen trillion, three hundred twenty-one billion, two hundred fourteen million, one hundred thirty-four thousand, three hundred twenty-one".