13320404412321 has 32 divisors (see below), whose sum is σ = 18806410027008. Its totient is φ = 8368898310080.

The previous prime is 13320404412317. The next prime is 13320404412353. The reversal of 13320404412321 is 12321440402331.

It is a cyclic number.

It is not a de Polignac number, because 13320404412321 - 2² = 13320404412317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320404412311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6370555 + ... + 8199071.

It is an arithmetic number, because the mean of its divisors is an integer number (587700313344).

Almost surely, 2^{13320404412321} is an apocalyptic number.

It is an amenable number.

13320404412321 is a deficient number, since it is larger than the sum of its proper divisors (5486005614687).

13320404412321 is a wasteful number, since it uses less digits than its factorization.

13320404412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830101.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13320404412321 its reverse (12321440402331), we get a palindrome (25641844814652).

The spelling of 13320404412321 in words is "thirteen trillion, three hundred twenty billion, four hundred four million, four hundred twelve thousand, three hundred twenty-one".