12451242513 has 8 divisors (see below), whose sum is σ = 16602339168. Its totient is φ = 8300487104.

The previous prime is 12451242509. The next prime is 12451242521. The reversal of 12451242513 is 31524215421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12451242513 - 2² = 12451242509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12451242313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17545 + ... + 158777.

It is an arithmetic number, because the mean of its divisors is an integer number (2075292396).

Almost surely, 2^12451242513 is an apocalyptic number.

It is an amenable number.

12451242513 is a deficient number, since it is larger than the sum of its proper divisors (4151096655).

12451242513 is a wasteful number, since it uses less digits than its factorization.

12451242513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170623.

The product of its digits is 9600, while the sum is 30.

Adding to 12451242513 its reverse (31524215421), we get a palindrome (43975457934).

The spelling of 12451242513 in words is "twelve billion, four hundred fifty-one million, two hundred forty-two thousand, five hundred thirteen".