12575881266 has 32 divisors (see below), whose sum is σ = 27205875648. Its totient is φ = 3852450240.

The previous prime is 12575881261. The next prime is 12575881337. The reversal of 12575881266 is 66218857521.

12575881266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12575881261) 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 15 ways as a sum of consecutive naturals, for example, 337425 + ... + 372836.

It is an arithmetic number, because the mean of its divisors is an integer number (850183614).

Almost surely, 2^12575881266 is an apocalyptic number.

12575881266 is an abundant number, since it is smaller than the sum of its proper divisors (14629994382).

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

12575881266 is a wasteful number, since it uses less digits than its factorization.

12575881266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710506.

The product of its digits is 1612800, while the sum is 51.

The spelling of 12575881266 in words is "twelve billion, five hundred seventy-five million, eight hundred eighty-one thousand, two hundred sixty-six".