12321412055441 has 4 divisors (see below), whose sum is σ = 12969907426800. Its totient is φ = 11672916684084.

The previous prime is 12321412055411. The next prime is 12321412055443. The reversal of 12321412055441 is 14455021412321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12321412055441 - 2⁶ = 12321412055377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321412055443) 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, 324247685651 + ... + 324247685688.

It is an arithmetic number, because the mean of its divisors is an integer number (3242476856700).

Almost surely, 2^{12321412055441} is an apocalyptic number.

It is an amenable number.

12321412055441 is a deficient number, since it is larger than the sum of its proper divisors (648495371359).

12321412055441 is an equidigital number, since it uses as much as digits as its factorization.

12321412055441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648495371358.

The product of its (nonzero) digits is 38400, while the sum is 35.

Adding to 12321412055441 its reverse (14455021412321), we get a palindrome (26776433467762).

The spelling of 12321412055441 in words is "twelve trillion, three hundred twenty-one billion, four hundred twelve million, fifty-five thousand, four hundred forty-one".