12385620380 has 96 divisors (see below), whose sum is σ = 30152908800. Its totient is φ = 4185861120.

The previous prime is 12385620367. The next prime is 12385620413. The reversal of 12385620380 is 8302658321.

12385620380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 3019571 + ... + 3023669.

It is an arithmetic number, because the mean of its divisors is an integer number (314092800).

Almost surely, 2^12385620380 is an apocalyptic number.

12385620380 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 12385620380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15076454400).

12385620380 is an abundant number, since it is smaller than the sum of its proper divisors (17767288420).

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

12385620380 is a wasteful number, since it uses less digits than its factorization.

12385620380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 12385620380 in words is "twelve billion, three hundred eighty-five million, six hundred twenty thousand, three hundred eighty".