12007322317 has 4 divisors (see below), whose sum is σ = 12011522076. Its totient is φ = 12003122560.

The previous prime is 12007322273. The next prime is 12007322329. The reversal of 12007322317 is 71322370021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2378610441 + 9628711876 = 48771^2 + 98126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12007322317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12007322357) 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, 2095588 + ... + 2101309.

It is an arithmetic number, because the mean of its divisors is an integer number (3002880519).

Almost surely, 2^12007322317 is an apocalyptic number.

It is an amenable number.

12007322317 is a deficient number, since it is larger than the sum of its proper divisors (4199759).

12007322317 is an equidigital number, since it uses as much as digits as its factorization.

12007322317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199758.

The product of its (nonzero) digits is 3528, while the sum is 28.

Adding to 12007322317 its reverse (71322370021), we get a palindrome (83329692338).

The spelling of 12007322317 in words is "twelve billion, seven million, three hundred twenty-two thousand, three hundred seventeen".