12662671405772 has 12 divisors (see below), whose sum is σ = 22207743672576. Its totient is φ = 6317601785040.

The previous prime is 12662671405721. The next prime is 12662671405777. The reversal of 12662671405772 is 27750417626621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12662671405777) 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, 3433477388 + ... + 3433481075.

It is an arithmetic number, because the mean of its divisors is an integer number (1850645306048).

Almost surely, 2^{12662671405772} is an apocalyptic number.

It is an amenable number.

12662671405772 is a deficient number, since it is larger than the sum of its proper divisors (9545072266804).

12662671405772 is a wasteful number, since it uses less digits than its factorization.

12662671405772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866958928 (or 6866958926 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 12662671405772 in words is "twelve trillion, six hundred sixty-two billion, six hundred seventy-one million, four hundred five thousand, seven hundred seventy-two".