12517372006407 has 24 divisors (see below), whose sum is σ = 18321252208896. Its totient is φ = 8234377353216.

The previous prime is 12517372006393. The next prime is 12517372006441. The reversal of 12517372006407 is 70460027371521.

12517372006407 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 7 + 37 + 200 + 6 + 407 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12517372006407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12517372006457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20979303 + ... + 21567704.

It is an arithmetic number, because the mean of its divisors is an integer number (763385508704).

Almost surely, 2^{12517372006407} is an apocalyptic number.

12517372006407 is a deficient number, since it is larger than the sum of its proper divisors (5803880202489).

12517372006407 is a wasteful number, since it uses less digits than its factorization.

12517372006407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42547447 (or 42547444 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

Adding to 12517372006407 its reverse (70460027371521), we get a palindrome (82977399377928).

The spelling of 12517372006407 in words is "twelve trillion, five hundred seventeen billion, three hundred seventy-two million, six thousand, four hundred seven".