12282439387 has 2 divisors, whose sum is σ = 12282439388. Its totient is φ = 12282439386.

The previous prime is 12282439381. The next prime is 12282439409. The reversal of 12282439387 is 78393428221.

It is a weak prime.

It is an emirp because it is prime and its reverse (78393428221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12282439387 - 2¹¹ = 12282437339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12282439387.

It is not a weakly prime, because it can be changed into another prime (12282439381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6141219693 + 6141219694.

It is an arithmetic number, because the mean of its divisors is an integer number (6141219694).

Almost surely, 2^12282439387 is an apocalyptic number.

12282439387 is a deficient number, since it is larger than the sum of its proper divisors (1).

12282439387 is an equidigital number, since it uses as much as digits as its factorization.

12282439387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 49.

The spelling of 12282439387 in words is "twelve billion, two hundred eighty-two million, four hundred thirty-nine thousand, three hundred eighty-seven".