12321243512311 has 8 divisors (see below), whose sum is σ = 12360753879824. Its totient is φ = 12281734071360.

The previous prime is 12321243512273. The next prime is 12321243512353. The reversal of 12321243512311 is 11321534212321.

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 12321243512311 - 2¹⁹ = 12321242988023 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 (12321243582311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34954816 + ... + 35305546.

It is an arithmetic number, because the mean of its divisors is an integer number (1545094234978).

Almost surely, 2^{12321243512311} is an apocalyptic number.

12321243512311 is a deficient number, since it is larger than the sum of its proper divisors (39510367513).

12321243512311 is a wasteful number, since it uses less digits than its factorization.

12321243512311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463281.

The product of its digits is 8640, while the sum is 31.

Adding to 12321243512311 its reverse (11321534212321), we get a palindrome (23642777724632).

The spelling of 12321243512311 in words is "twelve trillion, three hundred twenty-one billion, two hundred forty-three million, five hundred twelve thousand, three hundred eleven".