12336327521431 has 4 divisors (see below), whose sum is σ = 12367091430864. Its totient is φ = 12305563612000.

The previous prime is 12336327521389. The next prime is 12336327521477. The reversal of 12336327521431 is 13412572363321.

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 12336327521431 - 2²⁵ = 12336293966999 is a prime.

It is a super-2 number, since 2×12336327521431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12336327501431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15381954115 + ... + 15381954916.

It is an arithmetic number, because the mean of its divisors is an integer number (3091772857716).

Almost surely, 2^{12336327521431} is an apocalyptic number.

12336327521431 is a deficient number, since it is larger than the sum of its proper divisors (30763909433).

12336327521431 is an equidigital number, since it uses as much as digits as its factorization.

12336327521431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30763909432.

The product of its digits is 544320, while the sum is 43.

Adding to 12336327521431 its reverse (13412572363321), we get a palindrome (25748899884752).

The spelling of 12336327521431 in words is "twelve trillion, three hundred thirty-six billion, three hundred twenty-seven million, five hundred twenty-one thousand, four hundred thirty-one".