12281294041 has 3 divisors (see below), whose sum is σ = 12281404863. Its totient is φ = 12281183220.

The previous prime is 12281294021. The next prime is 12281294057. The reversal of 12281294041 is 14049218221.

It is a happy number.

The square root of 12281294041 is 110821.

It is a perfect power (a square), and thus also a powerful number.

12281294041 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 a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 369754441 + 11911539600 = 19229^2 + 109140^2 .

It is not a de Polignac number, because 12281294041 - 2⁵ = 12281294009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12281293988 and 12281294006.

It is not an unprimeable number, because it can be changed into a prime (12281294021) 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 2 ways as a sum of consecutive naturals, for example, 55411 + ... + 166231.

It is an arithmetic number, because the mean of its divisors is an integer number (4093801621).

Almost surely, 2^12281294041 is an apocalyptic number.

12281294041 is the 110821-st square number.

12281294041 is the 55411-st centered octagonal number.

It is an amenable number.

12281294041 is a deficient number, since it is larger than the sum of its proper divisors (110822).

12281294041 is an frugal number, since it uses more digits than its factorization.

12281294041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221642 (or 110821 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

Multiplying 12281294041 by its product of nonzero digits (9216), we get a square (113184405881856 = 10638816²).

The spelling of 12281294041 in words is "twelve billion, two hundred eighty-one million, two hundred ninety-four thousand, forty-one".