12249667039 has 4 divisors (see below), whose sum is σ = 12337794280. Its totient is φ = 12161539800.

The previous prime is 12249667021. The next prime is 12249667091. The reversal of 12249667039 is 93076694221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12249667039 - 2⁷ = 12249666911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12249666983 and 12249667001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249667439) 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 in 3 ways as a sum of consecutive naturals, for example, 44063412 + ... + 44063689.

It is an arithmetic number, because the mean of its divisors is an integer number (3084448570).

Almost surely, 2^12249667039 is an apocalyptic number.

12249667039 is a deficient number, since it is larger than the sum of its proper divisors (88127241).

12249667039 is an equidigital number, since it uses as much as digits as its factorization.

12249667039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88127240.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 12249667039 in words is "twelve billion, two hundred forty-nine million, six hundred sixty-seven thousand, thirty-nine".