12239703617 has 4 divisors (see below), whose sum is σ = 12253566000. Its totient is φ = 12225841236.

The previous prime is 12239703607. The next prime is 12239703649. The reversal of 12239703617 is 71630793221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12239703617 - 2⁴ = 12239703601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12239703607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6929867 + ... + 6931632.

It is an arithmetic number, because the mean of its divisors is an integer number (3063391500).

Almost surely, 2^12239703617 is an apocalyptic number.

It is an amenable number.

12239703617 is a deficient number, since it is larger than the sum of its proper divisors (13862383).

12239703617 is an equidigital number, since it uses as much as digits as its factorization.

12239703617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13862382.

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 12239703617 in words is "twelve billion, two hundred thirty-nine million, seven hundred three thousand, six hundred seventeen".