12144424324 has 6 divisors (see below), whose sum is σ = 21252742574. Its totient is φ = 6072212160.

The previous prime is 12144424291. The next prime is 12144424361. The reversal of 12144424324 is 42342444121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10594584900 + 1549839424 = 102930^2 + 39368^2 .

It is a super-2 number, since 2×12144424324² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1518053037 + ... + 1518053044.

Almost surely, 2^12144424324 is an apocalyptic number.

It is an amenable number.

12144424324 is a deficient number, since it is larger than the sum of its proper divisors (9108318250).

12144424324 is a wasteful number, since it uses less digits than its factorization.

12144424324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036106085 (or 3036106083 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

Adding to 12144424324 its reverse (42342444121), we get a palindrome (54486868445).

The spelling of 12144424324 in words is "twelve billion, one hundred forty-four million, four hundred twenty-four thousand, three hundred twenty-four".