13221110012 has 18 divisors (see below), whose sum is σ = 25431516264. Its totient is φ = 6009595240.

The previous prime is 13221110009. The next prime is 13221110029. The reversal of 13221110012 is 21001112231.

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 5 ways as a sum of consecutive naturals, for example, 13657688 + ... + 13658655.

Almost surely, 2^13221110012 is an apocalyptic number.

It is an amenable number.

13221110012 is a deficient number, since it is larger than the sum of its proper divisors (12210406252).

13221110012 is a wasteful number, since it uses less digits than its factorization.

13221110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27316369 (or 27316356 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13221110012 its reverse (21001112231), we get a palindrome (34222222243).

The spelling of 13221110012 in words is "thirteen billion, two hundred twenty-one million, one hundred ten thousand, twelve".