12123074928 has 20 divisors (see below), whose sum is σ = 31317943688. Its totient is φ = 4041024960.

The previous prime is 12123074927. The next prime is 12123074989. The reversal of 12123074928 is 82947032121.

12123074928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123074927) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 126281983 + ... + 126282078.

Almost surely, 2^12123074928 is an apocalyptic number.

It is an amenable number.

12123074928 is an abundant number, since it is smaller than the sum of its proper divisors (19194868760).

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

12123074928 is a wasteful number, since it uses less digits than its factorization.

12123074928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252564072 (or 252564066 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 12123074928 in words is "twelve billion, one hundred twenty-three million, seventy-four thousand, nine hundred twenty-eight".