12066585901 has 4 divisors (see below), whose sum is σ = 12482675100. Its totient is φ = 11650496704.

The previous prime is 12066585877. The next prime is 12066585919. The reversal of 12066585901 is 10958566021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10034830276 + 2031755625 = 100174^2 + 45075^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066585901 - 2¹¹ = 12066583853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066585001) 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, 208044556 + ... + 208044613.

It is an arithmetic number, because the mean of its divisors is an integer number (3120668775).

Almost surely, 2^12066585901 is an apocalyptic number.

It is an amenable number.

12066585901 is a deficient number, since it is larger than the sum of its proper divisors (416089199).

12066585901 is an equidigital number, since it uses as much as digits as its factorization.

12066585901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416089198.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 12066585901 in words is "twelve billion, sixty-six million, five hundred eighty-five thousand, nine hundred one".