12394779882 has 8 divisors (see below), whose sum is σ = 24789559776. Its totient is φ = 4131593292.

The previous prime is 12394779877. The next prime is 12394779899. The reversal of 12394779882 is 28897749321.

12394779882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12394779882 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 1032898318 + ... + 1032898329.

It is an arithmetic number, because the mean of its divisors is an integer number (3098694972).

Almost surely, 2^12394779882 is an apocalyptic number.

12394779882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12394779882 is a wasteful number, since it uses less digits than its factorization.

12394779882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065796652.

The product of its digits is 12192768, while the sum is 60.

The spelling of 12394779882 in words is "twelve billion, three hundred ninety-four million, seven hundred seventy-nine thousand, eight hundred eighty-two".