12065539584 has 160 divisors (see below), whose sum is σ = 37007917056. Its totient is φ = 3421716480.

The previous prime is 12065539561. The next prime is 12065539609. The reversal of 12065539584 is 48593556021.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1468929 + ... + 1477119.

Almost surely, 2^12065539584 is an apocalyptic number.

12065539584 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12065539584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18503958528).

12065539584 is an abundant number, since it is smaller than the sum of its proper divisors (24942377472).

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

12065539584 is an equidigital number, since it uses as much as digits as its factorization.

12065539584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8356 (or 8340 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 12065539584 in words is "twelve billion, sixty-five million, five hundred thirty-nine thousand, five hundred eighty-four".