13124201320144 has 80 divisors (see below), whose sum is σ = 25837440829200. Its totient is φ = 6456914362368.

The previous prime is 13124201320141. The next prime is 13124201320189. The reversal of 13124201320144 is 44102310242131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 49381728400 + 13074819591744 = 222220^2 + 3615912^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124201320141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311235012 + ... + 1311245020.

It is an arithmetic number, because the mean of its divisors is an integer number (322968010365).

Almost surely, 2^{13124201320144} is an apocalyptic number.

It is an amenable number.

13124201320144 is a deficient number, since it is larger than the sum of its proper divisors (12713239509056).

13124201320144 is a wasteful number, since it uses less digits than its factorization.

13124201320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632 (or 12626 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 13124201320144 its reverse (44102310242131), we get a palindrome (57226511562275).

The spelling of 13124201320144 in words is "thirteen trillion, one hundred twenty-four billion, two hundred one million, three hundred twenty thousand, one hundred forty-four".