12321013321043 has 8 divisors (see below), whose sum is σ = 14083111955712. Its totient is φ = 10559403155016.

The previous prime is 12321013321021. The next prime is 12321013321049. The reversal of 12321013321043 is 34012331012321.

It is a happy number.

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 12321013321043 - 2²² = 12321009126739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321013321049) 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, 122063105 + ... + 122164002.

It is an arithmetic number, because the mean of its divisors is an integer number (1760388994464).

Almost surely, 2^{12321013321043} is an apocalyptic number.

12321013321043 is a deficient number, since it is larger than the sum of its proper divisors (1762098634669).

12321013321043 is an equidigital number, since it uses as much as digits as its factorization.

12321013321043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244234321.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12321013321043 its reverse (34012331012321), we get a palindrome (46333344333364).

The spelling of 12321013321043 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty-one thousand, forty-three".