12123430224 has 40 divisors (see below), whose sum is σ = 31340955360. Its totient is φ = 4038292608.

The previous prime is 12123430211. The next prime is 12123430243. The reversal of 12123430224 is 42203432121.

It is a happy number.

12123430224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12123430194 and 12123430203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19782 + ... + 156965.

It is an arithmetic number, because the mean of its divisors is an integer number (783523884).

Almost surely, 2^12123430224 is an apocalyptic number.

It is an amenable number.

12123430224 is an abundant number, since it is smaller than the sum of its proper divisors (19217525136).

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

12123430224 is a wasteful number, since it uses less digits than its factorization.

12123430224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178187 (or 178181 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12123430224 its reverse (42203432121), we get a palindrome (54326862345).

The spelling of 12123430224 in words is "twelve billion, one hundred twenty-three million, four hundred thirty thousand, two hundred twenty-four".