12910878066 has 16 divisors (see below), whose sum is σ = 25824140064. Its totient is φ = 4303228704.

The previous prime is 12910878061. The next prime is 12910878077. The reversal of 12910878066 is 66087801921.

It is not an unprimeable number, because it can be changed into a prime (12910878061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24600 + ... + 162563.

It is an arithmetic number, because the mean of its divisors is an integer number (1614008754).

Almost surely, 2^12910878066 is an apocalyptic number.

12910878066 is an abundant number, since it is smaller than the sum of its proper divisors (12913261998).

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

12910878066 is a wasteful number, since it uses less digits than its factorization.

12910878066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198665.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 12910878066 in words is "twelve billion, nine hundred ten million, eight hundred seventy-eight thousand, sixty-six".