12066111166021 has 8 divisors (see below), whose sum is σ = 13163657097888. Its totient is φ = 10968669690000.

The previous prime is 12066111166007. The next prime is 12066111166027.

12066111166021 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 12066111166021 - 2¹¹ = 12066111163973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066111166027) 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, 25872330 + ... + 26334571.

It is an arithmetic number, because the mean of its divisors is an integer number (1645457137236).

Almost surely, 2^{12066111166021} is an apocalyptic number.

12066111166021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12066111166021 is a deficient number, since it is larger than the sum of its proper divisors (1097545931867).

12066111166021 is a wasteful number, since it uses less digits than its factorization.

12066111166021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52227923.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 12066111166021 in words is "twelve trillion, sixty-six billion, one hundred eleven million, one hundred sixty-six thousand, twenty-one".