12382337778 has 16 divisors (see below), whose sum is σ = 24765992256. Its totient is φ = 4127226480.

The previous prime is 12382337731. The next prime is 12382337899. The reversal of 12382337778 is 87773328321.

It is a self number, because there is not a number n which added to its sum of digits gives 12382337778.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101808 + ... + 187428.

It is an arithmetic number, because the mean of its divisors is an integer number (1547874516).

Almost surely, 2^12382337778 is an apocalyptic number.

12382337778 is an abundant number, since it is smaller than the sum of its proper divisors (12383654478).

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

12382337778 is a wasteful number, since it uses less digits than its factorization.

12382337778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109729.

The product of its digits is 2370816, while the sum is 51.

The spelling of 12382337778 in words is "twelve billion, three hundred eighty-two million, three hundred thirty-seven thousand, seven hundred seventy-eight".