12009899330424 has 160 divisors (see below), whose sum is σ = 33827641848000. Its totient is φ = 3980852386560.

The previous prime is 12009899330417. The next prime is 12009899330431. The reversal of 12009899330424 is 42403399890021.

12009899330424 is a `hidden beast` number, since 1 + 20 + 0 + 9 + 89 + 93 + 30 + 424 = 666.

It is an interprime number because it is at equal distance from previous prime (12009899330417) and next prime (12009899330431).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 248777409 + ... + 248825679.

It is an arithmetic number, because the mean of its divisors is an integer number (211422761550).

Almost surely, 2^{12009899330424} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12009899330424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16913820924000).

12009899330424 is an abundant number, since it is smaller than the sum of its proper divisors (21817742517576).

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

12009899330424 is a wasteful number, since it uses less digits than its factorization.

12009899330424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50435 (or 50422 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 12009899330424 in words is "twelve trillion, nine billion, eight hundred ninety-nine million, three hundred thirty thousand, four hundred twenty-four".