12240342041 has 4 divisors (see below), whose sum is σ = 12291132084. Its totient is φ = 12189552000.

The previous prime is 12240341999. The next prime is 12240342061. The reversal of 12240342041 is 14024304221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14024304221 = 367 ⋅38213363.

It can be written as a sum of positive squares in 2 ways, for example, as 10276079641 + 1964262400 = 101371^2 + 44320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12240342041 - 2⁶ = 12240341977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12240341998 and 12240342016.

It is not an unprimeable number, because it can be changed into a prime (12240342061) 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, 25394660 + ... + 25395141.

It is an arithmetic number, because the mean of its divisors is an integer number (3072783021).

Almost surely, 2^12240342041 is an apocalyptic number.

It is an amenable number.

12240342041 is a deficient number, since it is larger than the sum of its proper divisors (50790043).

12240342041 is an equidigital number, since it uses as much as digits as its factorization.

12240342041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50790042.

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

Adding to 12240342041 its reverse (14024304221), we get a palindrome (26264646262).

The spelling of 12240342041 in words is "twelve billion, two hundred forty million, three hundred forty-two thousand, forty-one".