12321013364535 has 8 divisors (see below), whose sum is σ = 19713621383280. Its totient is φ = 6571207127744.

The previous prime is 12321013364531. The next prime is 12321013364549. The reversal of 12321013364535 is 53546331012321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12321013364535 - 2² = 12321013364531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12321013364493 and 12321013364502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321013364531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410700445470 + ... + 410700445499.

It is an arithmetic number, because the mean of its divisors is an integer number (2464202672910).

Almost surely, 2^{12321013364535} is an apocalyptic number.

12321013364535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12321013364535 is a deficient number, since it is larger than the sum of its proper divisors (7392608018745).

12321013364535 is an equidigital number, since it uses as much as digits as its factorization.

12321013364535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821400890977.

The product of its (nonzero) digits is 194400, while the sum is 39.

Adding to 12321013364535 its reverse (53546331012321), we get a palindrome (65867344376856).

The spelling of 12321013364535 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred sixty-four thousand, five hundred thirty-five".