12225441043 has 4 divisors (see below), whose sum is σ = 12225708400. Its totient is φ = 12225173688.

The previous prime is 12225441031. The next prime is 12225441061. The reversal of 12225441043 is 34014452221.

12225441043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34014452221 = 23 ⋅1478889227.

It is a cyclic number.

It is not a de Polignac number, because 12225441043 - 2⁹ = 12225440531 is a prime.

It is a super-2 number, since 2×12225441043² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12225441443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45855 + ... + 162952.

It is an arithmetic number, because the mean of its divisors is an integer number (3056427100).

Almost surely, 2^12225441043 is an apocalyptic number.

12225441043 is a deficient number, since it is larger than the sum of its proper divisors (267357).

12225441043 is an equidigital number, since it uses as much as digits as its factorization.

12225441043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267356.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 12225441043 its reverse (34014452221), we get a palindrome (46239893264).

The spelling of 12225441043 in words is "twelve billion, two hundred twenty-five million, four hundred forty-one thousand, forty-three".