12105265761813 has 48 divisors (see below), whose sum is σ = 19076675847936. Its totient is φ = 6806778209280.

The previous prime is 12105265761793. The next prime is 12105265761863. The reversal of 12105265761813 is 31816756250121.

It is not a de Polignac number, because 12105265761813 - 2²⁴ = 12105248984597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105265761863) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3343908 + ... + 5949138.

It is an arithmetic number, because the mean of its divisors is an integer number (397430746832).

Almost surely, 2^{12105265761813} is an apocalyptic number.

It is an amenable number.

12105265761813 is a deficient number, since it is larger than the sum of its proper divisors (6971410086123).

12105265761813 is a wasteful number, since it uses less digits than its factorization.

12105265761813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605754 (or 2605747 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 12105265761813 in words is "twelve trillion, one hundred five billion, two hundred sixty-five million, seven hundred sixty-one thousand, eight hundred thirteen".