12241443421547 has 2 divisors, whose sum is σ = 12241443421548. Its totient is φ = 12241443421546.

The previous prime is 12241443421513. The next prime is 12241443421577. The reversal of 12241443421547 is 74512434414221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12241443421547 - 2⁶ = 12241443421483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12241443421498 and 12241443421507.

It is not a weakly prime, because it can be changed into another prime (12241443421577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6120721710773 + 6120721710774.

It is an arithmetic number, because the mean of its divisors is an integer number (6120721710774).

Almost surely, 2^{12241443421547} is an apocalyptic number.

12241443421547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12241443421547 is an equidigital number, since it uses as much as digits as its factorization.

12241443421547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 860160, while the sum is 44.

Adding to 12241443421547 its reverse (74512434414221), we get a palindrome (86753877835768).

The spelling of 12241443421547 in words is "twelve trillion, two hundred forty-one billion, four hundred forty-three million, four hundred twenty-one thousand, five hundred forty-seven".