12541842128 has 20 divisors (see below), whose sum is σ = 24310201860. Its totient is φ = 6268241664.

The previous prime is 12541842119. The next prime is 12541842133. The reversal of 12541842128 is 82124814521.

12541842128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2217656464 + 10324185664 = 47092^2 + 101608^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12541842091 and 12541842100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128573 + ... + 203996.

It is an arithmetic number, because the mean of its divisors is an integer number (1215510093).

Almost surely, 2^12541842128 is an apocalyptic number.

It is an amenable number.

12541842128 is a deficient number, since it is larger than the sum of its proper divisors (11768359732).

12541842128 is a wasteful number, since it uses less digits than its factorization.

12541842128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334934 (or 334928 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The spelling of 12541842128 in words is "twelve billion, five hundred forty-one million, eight hundred forty-two thousand, one hundred twenty-eight".