13313221321012 has 12 divisors (see below), whose sum is σ = 23645870704960. Its totient is φ = 6557258262456.

The previous prime is 13313221320991. The next prime is 13313221321061. The reversal of 13313221321012 is 21012312231331.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24838099212 + ... + 24838099747.

Almost surely, 2^{13313221321012} is an apocalyptic number.

It is an amenable number.

13313221321012 is a deficient number, since it is larger than the sum of its proper divisors (10332649383948).

13313221321012 is a wasteful number, since it uses less digits than its factorization.

13313221321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49676199030 (or 49676199028 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 13313221321012 its reverse (21012312231331), we get a palindrome (34325533552343).

The spelling of 13313221321012 in words is "thirteen trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred twenty-one thousand, twelve".