12266641371864 has 64 divisors (see below), whose sum is σ = 33877950912000. Its totient is φ = 3670111336320.

The previous prime is 12266641371863. The next prime is 12266641371899. The reversal of 12266641371864 is 46817314666221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12266641371863) 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 15 ways as a sum of consecutive naturals, for example, 294058579 + ... + 294100290.

It is an arithmetic number, because the mean of its divisors is an integer number (529342983000).

Almost surely, 2^{12266641371864} is an apocalyptic number.

It is an amenable number.

12266641371864 is an abundant number, since it is smaller than the sum of its proper divisors (21611309540136).

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

12266641371864 is a wasteful number, since it uses less digits than its factorization.

12266641371864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588158968 (or 588158964 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 57.

The spelling of 12266641371864 in words is "twelve trillion, two hundred sixty-six billion, six hundred forty-one million, three hundred seventy-one thousand, eight hundred sixty-four".