13221404012224 has 14 divisors (see below), whose sum is σ = 26236223586884. Its totient is φ = 6610702006080.

The previous prime is 13221404012203. The next prime is 13221404012263. The reversal of 13221404012224 is 42221040412231.

It is a junction number, because it is equal to n+sod(n) for n = 13221404012192 and 13221404012201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103292218782 + ... + 103292218909.

Almost surely, 2^{13221404012224} is an apocalyptic number.

It is an amenable number.

13221404012224 is a deficient number, since it is larger than the sum of its proper divisors (13014819574660).

13221404012224 is an equidigital number, since it uses as much as digits as its factorization.

13221404012224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206584437703 (or 206584437693 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 13221404012224 its reverse (42221040412231), we get a palindrome (55442444424455).

The spelling of 13221404012224 in words is "thirteen trillion, two hundred twenty-one billion, four hundred four million, twelve thousand, two hundred twenty-four".