12041222243 has 4 divisors (see below), whose sum is σ = 12366660720. Its totient is φ = 11715783768.

The previous prime is 12041222233. The next prime is 12041222251. The reversal of 12041222243 is 34222214021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12041222243 - 2²⁸ = 11772786787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12041222233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162719183 + ... + 162719256.

It is an arithmetic number, because the mean of its divisors is an integer number (3091665180).

Almost surely, 2^12041222243 is an apocalyptic number.

12041222243 is a deficient number, since it is larger than the sum of its proper divisors (325438477).

12041222243 is an equidigital number, since it uses as much as digits as its factorization.

12041222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325438476.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12041222243 its reverse (34222214021), we get a palindrome (46263436264).

The spelling of 12041222243 in words is "twelve billion, forty-one million, two hundred twenty-two thousand, two hundred forty-three".