12340241251 has 12 divisors (see below), whose sum is σ = 13395255960. Its totient is φ = 11363077440.

The previous prime is 12340241237. The next prime is 12340241261. The reversal of 12340241251 is 15214204321.

It is not a de Polignac number, because 12340241251 - 2⁹ = 12340240739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340241261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20145 + ... + 158386.

It is an arithmetic number, because the mean of its divisors is an integer number (1116271330).

Almost surely, 2^12340241251 is an apocalyptic number.

12340241251 is a deficient number, since it is larger than the sum of its proper divisors (1055014709).

12340241251 is a wasteful number, since it uses less digits than its factorization.

12340241251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178966 (or 178953 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 12340241251 its reverse (15214204321), we get a palindrome (27554445572).

The spelling of 12340241251 in words is "twelve billion, three hundred forty million, two hundred forty-one thousand, two hundred fifty-one".