13221010012 has 12 divisors (see below), whose sum is σ = 26442020080. Its totient is φ = 5666147136.

The previous prime is 13221009961. The next prime is 13221010021. The reversal of 13221010012 is 21001012231.

13221010012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 13221009974 and 13221010001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236089437 + ... + 236089492.

Almost surely, 2^13221010012 is an apocalyptic number.

It is an amenable number.

13221010012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13221010012 is a wasteful number, since it uses less digits than its factorization.

13221010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472178940 (or 472178938 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13221010012 its reverse (21001012231), we get a palindrome (34222022243).

The spelling of 13221010012 in words is "thirteen billion, two hundred twenty-one million, ten thousand, twelve".