12442320241 has 4 divisors (see below), whose sum is σ = 13399421812. Its totient is φ = 11485218672.

The previous prime is 12442320223. The next prime is 12442320263. The reversal of 12442320241 is 14202324421.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5757622641 + 6684697600 = 75879^2 + 81760^2 .

It is a cyclic number.

It is not a de Polignac number, because 12442320241 - 2¹³ = 12442312049 is a prime.

It is a super-2 number, since 2×12442320241² (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 (12442320041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478550766 + ... + 478550791.

It is an arithmetic number, because the mean of its divisors is an integer number (3349855453).

Almost surely, 2^12442320241 is an apocalyptic number.

It is an amenable number.

12442320241 is a deficient number, since it is larger than the sum of its proper divisors (957101571).

12442320241 is an equidigital number, since it uses as much as digits as its factorization.

12442320241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957101570.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12442320241 its reverse (14202324421), we get a palindrome (26644644662).

The spelling of 12442320241 in words is "twelve billion, four hundred forty-two million, three hundred twenty thousand, two hundred forty-one".