12512518716397 has 16 divisors (see below), whose sum is σ = 14309530661632. Its totient is φ = 10717884904320.

The previous prime is 12512518716391. The next prime is 12512518716413. The reversal of 12512518716397 is 79361781521521.

It is a cyclic number.

It is not a de Polignac number, because 12512518716397 - 2¹¹ = 12512518714349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12512518716391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333000103 + ... + 333037675.

It is an arithmetic number, because the mean of its divisors is an integer number (894345666352).

Almost surely, 2^{12512518716397} is an apocalyptic number.

It is an amenable number.

12512518716397 is a deficient number, since it is larger than the sum of its proper divisors (1797011945235).

12512518716397 is a wasteful number, since it uses less digits than its factorization.

12512518716397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67948.

The product of its digits is 6350400, while the sum is 58.

The spelling of 12512518716397 in words is "twelve trillion, five hundred twelve billion, five hundred eighteen million, seven hundred sixteen thousand, three hundred ninety-seven".