13144444122 has 16 divisors (see below), whose sum is σ = 26303703552. Its totient is φ = 4379012160.

The previous prime is 13144444099. The next prime is 13144444141. The reversal of 13144444122 is 22144444131.

It is a happy number.

It is a super-2 number, since 2×13144444122² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13144444122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605754 + ... + 627077.

It is an arithmetic number, because the mean of its divisors is an integer number (1643981472).

Almost surely, 2^13144444122 is an apocalyptic number.

13144444122 is an abundant number, since it is smaller than the sum of its proper divisors (13159259430).

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

13144444122 is a wasteful number, since it uses less digits than its factorization.

13144444122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234613.

The product of its digits is 12288, while the sum is 30.

Adding to 13144444122 its reverse (22144444131), we get a palindrome (35288888253).

Subtracting 13144444122 from its reverse (22144444131), we obtain a palindrome (9000000009).

The spelling of 13144444122 in words is "thirteen billion, one hundred forty-four million, four hundred forty-four thousand, one hundred twenty-two".