12066066069 has 4 divisors (see below), whose sum is σ = 16088088096. Its totient is φ = 8044044044.

The previous prime is 12066066053. The next prime is 12066066073. The reversal of 12066066069 is 96066066021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12066066069 - 2⁴ = 12066066053 is a prime.

It is a super-2 number, since 2×12066066069² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12066066069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066066029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011011009 + ... + 2011011014.

It is an arithmetic number, because the mean of its divisors is an integer number (4022022024).

Almost surely, 2^12066066069 is an apocalyptic number.

It is an amenable number.

12066066069 is a deficient number, since it is larger than the sum of its proper divisors (4022022027).

12066066069 is an equidigital number, since it uses as much as digits as its factorization.

12066066069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022022026.

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 12066066069 in words is "twelve billion, sixty-six million, sixty-six thousand, sixty-nine".