13321012440322 has 4 divisors (see below), whose sum is σ = 19981518660486. Its totient is φ = 6660506220160.

The previous prime is 13321012440317. The next prime is 13321012440331. The reversal of 13321012440322 is 22304421012331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7214869974601 + 6106142465721 = 2686051^2 + 2471061^2 .

It is a super-2 number, since 2×13321012440322² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3330253110079 + ... + 3330253110082.

Almost surely, 2^{13321012440322} is an apocalyptic number.

13321012440322 is a deficient number, since it is larger than the sum of its proper divisors (6660506220164).

13321012440322 is an equidigital number, since it uses as much as digits as its factorization.

13321012440322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660506220163.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 13321012440322 its reverse (22304421012331), we get a palindrome (35625433452653).

The spelling of 13321012440322 in words is "thirteen trillion, three hundred twenty-one billion, twelve million, four hundred forty thousand, three hundred twenty-two".