12321280607 has 4 divisors (see below), whose sum is σ = 12969769080. Its totient is φ = 11672792136.

The previous prime is 12321280603. The next prime is 12321280613. The reversal of 12321280607 is 70608212321.

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 12321280607 - 2² = 12321280603 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 (12321280603) 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, 324244208 + ... + 324244245.

It is an arithmetic number, because the mean of its divisors is an integer number (3242442270).

Almost surely, 2^12321280607 is an apocalyptic number.

12321280607 is a deficient number, since it is larger than the sum of its proper divisors (648488473).

12321280607 is an equidigital number, since it uses as much as digits as its factorization.

12321280607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648488472.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 12321280607 its reverse (70608212321), we get a palindrome (82929492928).

The spelling of 12321280607 in words is "twelve billion, three hundred twenty-one million, two hundred eighty thousand, six hundred seven".