12020065966 has 8 divisors (see below), whose sum is σ = 18047063664. Its totient is φ = 6004378080.

The previous prime is 12020065961. The next prime is 12020065979. The reversal of 12020065966 is 66956002021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020065961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2824795 + ... + 2829046.

It is an arithmetic number, because the mean of its divisors is an integer number (2255882958).

Almost surely, 2^12020065966 is an apocalyptic number.

12020065966 is a deficient number, since it is larger than the sum of its proper divisors (6026997698).

12020065966 is a wasteful number, since it uses less digits than its factorization.

12020065966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5654906.

The product of its (nonzero) digits is 38880, while the sum is 37.

Adding to 12020065966 its reverse (66956002021), we get a palindrome (78976067987).

The spelling of 12020065966 in words is "twelve billion, twenty million, sixty-five thousand, nine hundred sixty-six".