12066114183521 has 4 divisors (see below), whose sum is σ = 12455343673344. Its totient is φ = 11676884693700.

The previous prime is 12066114183517. The next prime is 12066114183527. The reversal of 12066114183521 is 12538141166021.

12066114183521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12066114183521 - 2² = 12066114183517 is a prime.

It is a super-2 number, since 2×12066114183521² (a number of 27 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 (12066114183527) 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, 194614744865 + ... + 194614744926.

It is an arithmetic number, because the mean of its divisors is an integer number (3113835918336).

Almost surely, 2^{12066114183521} is an apocalyptic number.

It is an amenable number.

12066114183521 is a deficient number, since it is larger than the sum of its proper divisors (389229489823).

12066114183521 is an equidigital number, since it uses as much as digits as its factorization.

12066114183521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389229489822.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 12066114183521 in words is "twelve trillion, sixty-six billion, one hundred fourteen million, one hundred eighty-three thousand, five hundred twenty-one".