12066708081 has 8 divisors (see below), whose sum is σ = 16935730720. Its totient is φ = 7621078752.

The previous prime is 12066708067. The next prime is 12066708089. The reversal of 12066708081 is 18080766021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12066708081 - 2²⁶ = 11999599217 is a prime.

It is a super-2 number, since 2×12066708081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12066708089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105848260 + ... + 105848373.

It is an arithmetic number, because the mean of its divisors is an integer number (2116966340).

Almost surely, 2^12066708081 is an apocalyptic number.

It is an amenable number.

12066708081 is a deficient number, since it is larger than the sum of its proper divisors (4869022639).

12066708081 is a wasteful number, since it uses less digits than its factorization.

12066708081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211696655.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 12066708081 in words is "twelve billion, sixty-six million, seven hundred eight thousand, eighty-one".