12105385534124 has 12 divisors (see below), whose sum is σ = 21184927063944. Its totient is φ = 6052549230144.

The previous prime is 12105385534103. The next prime is 12105385534127. The reversal of 12105385534124 is 42143558350121.

It is not an unprimeable number, because it can be changed into a prime (12105385534127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35694362 + ... + 36031905.

It is an arithmetic number, because the mean of its divisors is an integer number (1765410588662).

Almost surely, 2^{12105385534124} is an apocalyptic number.

It is an amenable number.

12105385534124 is a deficient number, since it is larger than the sum of its proper divisors (9079541529820).

12105385534124 is a wasteful number, since it uses less digits than its factorization.

12105385534124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71768464 (or 71768462 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 12105385534124 in words is "twelve trillion, one hundred five billion, three hundred eighty-five million, five hundred thirty-four thousand, one hundred twenty-four".