13144321012 has 24 divisors (see below), whose sum is σ = 23620763936. Its totient is φ = 6396612768.

The previous prime is 13144321007. The next prime is 13144321031. The reversal of 13144321012 is 21012344131.

It is a congruent number.

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, 86343 + ... + 183694.

Almost surely, 2^13144321012 is an apocalyptic number.

It is an amenable number.

13144321012 is a deficient number, since it is larger than the sum of its proper divisors (10476442924).

13144321012 is a wasteful number, since it uses less digits than its factorization.

13144321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270367 (or 270365 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 13144321012 its reverse (21012344131), we get a palindrome (34156665143).

The spelling of 13144321012 in words is "thirteen billion, one hundred forty-four million, three hundred twenty-one thousand, twelve".