12240431332321 has 8 divisors (see below), whose sum is σ = 12286963344800. Its totient is φ = 12193980317280.

The previous prime is 12240431332309. The next prime is 12240431332333. The reversal of 12240431332321 is 12323313404221.

It is an interprime number because it is at equal distance from previous prime (12240431332309) and next prime (12240431332333).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12240431332321 is a prime.

It is a super-2 number, since 2×12240431332321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240431332351) 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, 19946535 + ... + 20551036.

It is an arithmetic number, because the mean of its divisors is an integer number (1535870418100).

Almost surely, 2^{12240431332321} is an apocalyptic number.

It is an amenable number.

12240431332321 is a deficient number, since it is larger than the sum of its proper divisors (46532012479).

12240431332321 is an equidigital number, since it uses as much as digits as its factorization.

12240431332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40498719.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 12240431332321 its reverse (12323313404221), we get a palindrome (24563744736542).

The spelling of 12240431332321 in words is "twelve trillion, two hundred forty billion, four hundred thirty-one million, three hundred thirty-two thousand, three hundred twenty-one".