12066249525128 has 36 divisors (see below), whose sum is σ = 23431818172815. Its totient is φ = 5824948428096.

The previous prime is 12066249525061. The next prime is 12066249525167. The reversal of 12066249525128 is 82152594266021.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 11794018114564 + 272231410564 = 3434242^2 + 521758^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2456242.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12066249525128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 284902898 + ... + 284945246.

Almost surely, 2^{12066249525128} is an apocalyptic number.

It is an amenable number.

12066249525128 is a deficient number, since it is larger than the sum of its proper divisors (11365568647687).

12066249525128 is an frugal number, since it uses more digits than its factorization.

12066249525128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84762 (or 42380 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 12066249525128 in words is "twelve trillion, sixty-six billion, two hundred forty-nine million, five hundred twenty-five thousand, one hundred twenty-eight".