12321041311 has 4 divisors (see below), whose sum is σ = 12321586800. Its totient is φ = 12320495824.

The previous prime is 12321041221. The next prime is 12321041347. The reversal of 12321041311 is 11314012321.

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 12321041311 - 2²⁵ = 12287486879 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 (12321041351) 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, 237331 + ... + 284548.

It is an arithmetic number, because the mean of its divisors is an integer number (3080396700).

Almost surely, 2^12321041311 is an apocalyptic number.

12321041311 is a deficient number, since it is larger than the sum of its proper divisors (545489).

12321041311 is an equidigital number, since it uses as much as digits as its factorization.

12321041311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545488.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12321041311 its reverse (11314012321), we get a palindrome (23635053632).

The spelling of 12321041311 in words is "twelve billion, three hundred twenty-one million, forty-one thousand, three hundred eleven".