12012588126517 has 16 divisors (see below), whose sum is σ = 13797891187200. Its totient is φ = 10343120966640.

The previous prime is 12012588126493. The next prime is 12012588126523. The reversal of 12012588126517 is 71562188521021.

It is not a de Polignac number, because 12012588126517 - 2¹⁹ = 12012587602229 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 (12012588126577) 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, 6539017 + ... + 8172142.

It is an arithmetic number, because the mean of its divisors is an integer number (862368199200).

Almost surely, 2^{12012588126517} is an apocalyptic number.

It is an amenable number.

12012588126517 is a deficient number, since it is larger than the sum of its proper divisors (1785303060683).

12012588126517 is a wasteful number, since it uses less digits than its factorization.

12012588126517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14715096.

The product of its (nonzero) digits is 537600, while the sum is 49.

The spelling of 12012588126517 in words is "twelve trillion, twelve billion, five hundred eighty-eight million, one hundred twenty-six thousand, five hundred seventeen".