12007843380 has 120 divisors (see below), whose sum is σ = 40566739752. Its totient is φ = 2955771648.

The previous prime is 12007843357. The next prime is 12007843391. The reversal of 12007843380 is 8334870021.

12007843380 is a `hidden beast` number, since 1 + 200 + 78 + 4 + 3 + 380 = 666.

12007843380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 74028816 + 11933814564 = 8604^2 + 109242^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 264027 + ... + 306146.

Almost surely, 2^12007843380 is an apocalyptic number.

12007843380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12007843380 is an abundant number, since it is smaller than the sum of its proper divisors (28558896372).

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

12007843380 is a wasteful number, since it uses less digits than its factorization.

12007843380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570207 (or 570196 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 12007843380 in words is "twelve billion, seven million, eight hundred forty-three thousand, three hundred eighty".