12043321104427 has 2 divisors, whose sum is σ = 12043321104428. Its totient is φ = 12043321104426.

The previous prime is 12043321104421. The next prime is 12043321104433. The reversal of 12043321104427 is 72440112334021.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12043321104421) and next prime (12043321104433).

It is a cyclic number.

It is not a de Polignac number, because 12043321104427 - 2¹⁹ = 12043320580139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12043321104392 and 12043321104401.

It is not a weakly prime, because it can be changed into another prime (12043321104421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021660552213 + 6021660552214.

It is an arithmetic number, because the mean of its divisors is an integer number (6021660552214).

Almost surely, 2^{12043321104427} is an apocalyptic number.

12043321104427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12043321104427 is an equidigital number, since it uses as much as digits as its factorization.

12043321104427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

Adding to 12043321104427 its reverse (72440112334021), we get a palindrome (84483433438448).

The spelling of 12043321104427 in words is "twelve trillion, forty-three billion, three hundred twenty-one million, one hundred four thousand, four hundred twenty-seven".