12030204424 has 48 divisors (see below), whose sum is σ = 26256601980. Its totient is φ = 5152412160.

The previous prime is 12030204409. The next prime is 12030204443. The reversal of 12030204424 is 42440203021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11216928100 + 813276324 = 105910^2 + 28518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12030204395 and 12030204404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640284 + ... + 658804.

Almost surely, 2^12030204424 is an apocalyptic number.

12030204424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12030204424 is an abundant number, since it is smaller than the sum of its proper divisors (14226397556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12030204424 is a wasteful number, since it uses less digits than its factorization.

12030204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20198 (or 20187 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12030204424 its reverse (42440203021), we get a palindrome (54470407445).

The spelling of 12030204424 in words is "twelve billion, thirty million, two hundred four thousand, four hundred twenty-four".