12388239187 has 8 divisors (see below), whose sum is σ = 12462812640. Its totient is φ = 12313700160.

The previous prime is 12388239161. The next prime is 12388239247. The reversal of 12388239187 is 78193288321.

12388239187 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.

It is a cyclic number.

It is not a de Polignac number, because 12388239187 - 2¹⁵ = 12388206419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12388239887) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1297762 + ... + 1307272.

It is an arithmetic number, because the mean of its divisors is an integer number (1557851580).

Almost surely, 2^12388239187 is an apocalyptic number.

12388239187 is a deficient number, since it is larger than the sum of its proper divisors (74573453).

12388239187 is an equidigital number, since it uses as much as digits as its factorization.

12388239187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17213.

The product of its digits is 1161216, while the sum is 52.

The spelling of 12388239187 in words is "twelve billion, three hundred eighty-eight million, two hundred thirty-nine thousand, one hundred eighty-seven".