12030320424 has 32 divisors (see below), whose sum is σ = 30585564000. Its totient is φ = 3942138432.

The previous prime is 12030320413. The next prime is 12030320437. The reversal of 12030320424 is 42402303021.

It is a super-2 number, since 2×12030320424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12030320424.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4246579 + ... + 4249410.

It is an arithmetic number, because the mean of its divisors is an integer number (955798875).

Almost surely, 2^12030320424 is an apocalyptic number.

It is an amenable number.

12030320424 is an abundant number, since it is smaller than the sum of its proper divisors (18555243576).

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

12030320424 is a wasteful number, since it uses less digits than its factorization.

12030320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496057 (or 8496053 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 12030320424 its reverse (42402303021), we get a palindrome (54432623445).

The spelling of 12030320424 in words is "twelve billion, thirty million, three hundred twenty thousand, four hundred twenty-four".