12004243424 has 36 divisors (see below), whose sum is σ = 23757650784. Its totient is φ = 5970599424.

The previous prime is 12004243423. The next prime is 12004243457. The reversal of 12004243424 is 42434240021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12004243393 and 12004243402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004243423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9254744 + ... + 9256040.

It is an arithmetic number, because the mean of its divisors is an integer number (659934744).

Almost surely, 2^12004243424 is an apocalyptic number.

It is an amenable number.

12004243424 is a deficient number, since it is larger than the sum of its proper divisors (11753407360).

12004243424 is an frugal number, since it uses more digits than its factorization.

12004243424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12004243424 its reverse (42434240021), we get a palindrome (54438483445).

The spelling of 12004243424 in words is "twelve billion, four million, two hundred forty-three thousand, four hundred twenty-four".