13324121224 has 32 divisors (see below), whose sum is σ = 25905778200. Its totient is φ = 6417008640.

The previous prime is 13324121221. The next prime is 13324121233. The reversal of 13324121224 is 42212142331.

It can be written as a sum of positive squares in 4 ways, for example, as 11404104100 + 1920017124 = 106790^2 + 43818^2 .

It is not an unprimeable number, because it can be changed into a prime (13324121221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29464 + ... + 165880.

Almost surely, 2^13324121224 is an apocalyptic number.

It is an amenable number.

13324121224 is a deficient number, since it is larger than the sum of its proper divisors (12581656976).

13324121224 is a wasteful number, since it uses less digits than its factorization.

13324121224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136873 (or 136869 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

Adding to 13324121224 its reverse (42212142331), we get a palindrome (55536263555).

The spelling of 13324121224 in words is "thirteen billion, three hundred twenty-four million, one hundred twenty-one thousand, two hundred twenty-four".