13221422130244 has 12 divisors (see below), whose sum is σ = 23137545469500. Its totient is φ = 6610694853248.

The previous prime is 13221422130167. The next prime is 13221422130251. The reversal of 13221422130244 is 44203122412231.

It can be written as a sum of positive squares in 2 ways, for example, as 9099344646144 + 4122077484100 = 3016512^2 + 2030290^2 .

It is a super-2 number, since 2×13221422130244² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115049 + ... + 5560240.

It is an arithmetic number, because the mean of its divisors is an integer number (1928128789125).

Almost surely, 2^{13221422130244} is an apocalyptic number.

It is an amenable number.

13221422130244 is a deficient number, since it is larger than the sum of its proper divisors (9916123339256).

13221422130244 is a wasteful number, since it uses less digits than its factorization.

13221422130244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105942 (or 8105940 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 13221422130244 its reverse (44203122412231), we get a palindrome (57424544542475).

The spelling of 13221422130244 in words is "thirteen trillion, two hundred twenty-one billion, four hundred twenty-two million, one hundred thirty thousand, two hundred forty-four".