12144330424 has 16 divisors (see below), whose sum is σ = 23143909320. Its totient is φ = 5972621280.

The previous prime is 12144330371. The next prime is 12144330433. The reversal of 12144330424 is 42403344121.

It is a super-2 number, since 2×12144330424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12144330392 and 12144330401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12442474 + ... + 12443449.

Almost surely, 2^12144330424 is an apocalyptic number.

It is an amenable number.

12144330424 is a deficient number, since it is larger than the sum of its proper divisors (10999578896).

12144330424 is a wasteful number, since it uses less digits than its factorization.

12144330424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24885990 (or 24885986 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12144330424 its reverse (42403344121), we get a palindrome (54547674545).

The spelling of 12144330424 in words is "twelve billion, one hundred forty-four million, three hundred thirty thousand, four hundred twenty-four".