12240240307 has 4 divisors (see below), whose sum is σ = 12245798680. Its totient is φ = 12234681936.

The previous prime is 12240240281. The next prime is 12240240367. The reversal of 12240240307 is 70304204221.

It is a happy number.

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 12240240307 - 2¹¹ = 12240238259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12240240367) 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, 2775882 + ... + 2780287.

It is an arithmetic number, because the mean of its divisors is an integer number (3061449670).

Almost surely, 2^12240240307 is an apocalyptic number.

12240240307 is a deficient number, since it is larger than the sum of its proper divisors (5558373).

12240240307 is an equidigital number, since it uses as much as digits as its factorization.

12240240307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558372.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 12240240307 its reverse (70304204221), we get a palindrome (82544444528).

The spelling of 12240240307 in words is "twelve billion, two hundred forty million, two hundred forty thousand, three hundred seven".