12066121 has 8 divisors (see below), whose sum is σ = 12834080. Its totient is φ = 11311488.

The previous prime is 12066091. The next prime is 12066127. The reversal of 12066121 is 12166021.

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

It is a cyclic number.

It is not a de Polignac number, because 12066121 - 2⁷ = 12065993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12066127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1431 + ... + 5116.

It is an arithmetic number, because the mean of its divisors is an integer number (1604260).

Almost surely, 2^12066121 is an apocalyptic number.

It is an amenable number.

12066121 is a deficient number, since it is larger than the sum of its proper divisors (767959).

12066121 is an equidigital number, since it uses as much as digits as its factorization.

12066121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 12066121 is about 3473.6322488139. The cubic root of 12066121 is about 229.3625765977.

The spelling of 12066121 in words is "twelve million, sixty-six thousand, one hundred twenty-one".