12248278539 has 16 divisors (see below), whose sum is σ = 18711068928. Its totient is φ = 6981381792.

The previous prime is 12248278517. The next prime is 12248278589. The reversal of 12248278539 is 93587284221.

12248278539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12248278539 - 2¹² = 12248274443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12248278491 and 12248278500.

It is not an unprimeable number, because it can be changed into a prime (12248278589) 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 15 ways as a sum of consecutive naturals, for example, 726237 + ... + 742910.

It is an arithmetic number, because the mean of its divisors is an integer number (1169441808).

Almost surely, 2^12248278539 is an apocalyptic number.

12248278539 is a deficient number, since it is larger than the sum of its proper divisors (6462790389).

12248278539 is a wasteful number, since it uses less digits than its factorization.

12248278539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469554.

The product of its digits is 1935360, while the sum is 51.

The spelling of 12248278539 in words is "twelve billion, two hundred forty-eight million, two hundred seventy-eight thousand, five hundred thirty-nine".