12400406162517 has 8 divisors (see below), whose sum is σ = 16644840487200. Its totient is φ = 8211454639760.

The previous prime is 12400406162491. The next prime is 12400406162567. The reversal of 12400406162517 is 71526160400421.

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 12400406162517 - 2¹¹ = 12400406160469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400406162567) 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, 13870699959 + ... + 13870700852.

It is an arithmetic number, because the mean of its divisors is an integer number (2080605060900).

Almost surely, 2^{12400406162517} is an apocalyptic number.

It is an amenable number.

12400406162517 is a deficient number, since it is larger than the sum of its proper divisors (4244434324683).

12400406162517 is a wasteful number, since it uses less digits than its factorization.

12400406162517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27741400963.

The product of its (nonzero) digits is 80640, while the sum is 39.

Adding to 12400406162517 its reverse (71526160400421), we get a palindrome (83926566562938).

The spelling of 12400406162517 in words is "twelve trillion, four hundred billion, four hundred six million, one hundred sixty-two thousand, five hundred seventeen".