12662706564522 has 576 divisors, whose sum is σ = 34624410163200. Its totient is φ = 3265593408000.

The previous prime is 12662706564511. The next prime is 12662706564523. The reversal of 12662706564522 is 22546560726621.

12662706564522 is a `hidden beast` number, since 1 + 2 + 6 + 6 + 2 + 70 + 6 + 564 + 5 + 2 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (12662706564523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 116171619804 + ... + 116171619912.

It is an arithmetic number, because the mean of its divisors is an integer number (60111823200).

Almost surely, 2^{12662706564522} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12662706564522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17312205081600).

12662706564522 is an abundant number, since it is smaller than the sum of its proper divisors (21961703598678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12662706564522 is a wasteful number, since it uses less digits than its factorization.

12662706564522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 12662706564522 in words is "twelve trillion, six hundred sixty-two billion, seven hundred six million, five hundred sixty-four thousand, five hundred twenty-two".