12072994920 has 320 divisors, whose sum is σ = 47632337280. Its totient is φ = 2684772864.

The previous prime is 12072994909. The next prime is 12072994937. The reversal of 12072994920 is 2949927021.

12072994920 is a `hidden beast` number, since 1 + 2 + 0 + 72 + 99 + 492 + 0 = 666.

12072994920 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 (45).

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 79 ways as a sum of consecutive naturals, for example, 831967 + ... + 846353.

It is an arithmetic number, because the mean of its divisors is an integer number (148851054).

Almost surely, 2^12072994920 is an apocalyptic number.

12072994920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12072994920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23816168640).

12072994920 is an abundant number, since it is smaller than the sum of its proper divisors (35559342360).

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

12072994920 is a wasteful number, since it uses less digits than its factorization.

12072994920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454 (or 14441 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 12072994920 in words is "twelve billion, seventy-two million, nine hundred ninety-four thousand, nine hundred twenty".