12461636066 has 8 divisors (see below), whose sum is σ = 20391768144. Its totient is φ = 5664380020.

The previous prime is 12461636051. The next prime is 12461636069. The reversal of 12461636066 is 66063616421.

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

It is not an unprimeable number, because it can be changed into a prime (12461636069) 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, 283218980 + ... + 283219023.

It is an arithmetic number, because the mean of its divisors is an integer number (2548971018).

Almost surely, 2^12461636066 is an apocalyptic number.

12461636066 is a deficient number, since it is larger than the sum of its proper divisors (7930132078).

12461636066 is a wasteful number, since it uses less digits than its factorization.

12461636066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566438016.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 12461636066 in words is "twelve billion, four hundred sixty-one million, six hundred thirty-six thousand, sixty-six".