8215268612 has 12 divisors (see below), whose sum is σ = 14387200716. Its totient is φ = 4104639840.

The previous prime is 8215268599. The next prime is 8215268641. The reversal of 8215268612 is 2168625128.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7620591616 + 594676996 = 87296^2 + 24386^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8215268612.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742439 + ... + 753422.

It is an arithmetic number, because the mean of its divisors is an integer number (1198933393).

Almost surely, 2^8215268612 is an apocalyptic number.

It is an amenable number.

8215268612 is a deficient number, since it is larger than the sum of its proper divisors (6171932104).

8215268612 is a wasteful number, since it uses less digits than its factorization.

8215268612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497238 (or 1497236 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 8215268612 is about 90638.1189787167. The cubic root of 8215268612 is about 2017.7805093072.

The spelling of 8215268612 in words is "eight billion, two hundred fifteen million, two hundred sixty-eight thousand, six hundred twelve".