12113776784 has 20 divisors (see below), whose sum is σ = 23702826300. Its totient is φ = 5996918400.

The previous prime is 12113776733. The next prime is 12113776799. The reversal of 12113776784 is 48767731121.

It can be written as a sum of positive squares in 2 ways, for example, as 6049728400 + 6064048384 = 77780^2 + 77872^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3746459 + ... + 3749690.

It is an arithmetic number, because the mean of its divisors is an integer number (1185141315).

Almost surely, 2^12113776784 is an apocalyptic number.

It is an amenable number.

12113776784 is a deficient number, since it is larger than the sum of its proper divisors (11589049516).

12113776784 is a wasteful number, since it uses less digits than its factorization.

12113776784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7496258 (or 7496252 counting only the distinct ones).

The product of its digits is 395136, while the sum is 47.

The spelling of 12113776784 in words is "twelve billion, one hundred thirteen million, seven hundred seventy-six thousand, seven hundred eighty-four".