8266819212 has 36 divisors (see below), whose sum is σ = 21996509080. Its totient is φ = 2610574272.

The previous prime is 8266819159. The next prime is 8266819261. The reversal of 8266819212 is 2129186628.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6042313 + ... + 6043680.

Almost surely, 2^8266819212 is an apocalyptic number.

It is an amenable number.

8266819212 is an abundant number, since it is smaller than the sum of its proper divisors (13729689868).

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

8266819212 is a wasteful number, since it uses less digits than its factorization.

8266819212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12086022 (or 12086017 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 8266819212 is about 90922.0501968582. The cubic root of 8266819212 is about 2021.9922190909.

The spelling of 8266819212 in words is "eight billion, two hundred sixty-six million, eight hundred nineteen thousand, two hundred twelve".