12066856832 has 128 divisors (see below), whose sum is σ = 25975728000. Its totient is φ = 5566040064.

The previous prime is 12066856799. The next prime is 12066856843. The reversal of 12066856832 is 23865866021.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 23072123 + ... + 23072645.

It is an arithmetic number, because the mean of its divisors is an integer number (202935375).

Almost surely, 2^12066856832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12066856832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12987864000).

12066856832 is an abundant number, since it is smaller than the sum of its proper divisors (13908871168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12066856832 is a wasteful number, since it uses less digits than its factorization.

12066856832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 776 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 12066856832 in words is "twelve billion, sixty-six million, eight hundred fifty-six thousand, eight hundred thirty-two".