8213462812 has 12 divisors (see below), whose sum is σ = 14377643896. Its totient is φ = 4105564560.

The previous prime is 8213462779. The next prime is 8213462819. The reversal of 8213462812 is 2182643128.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213462819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275778 + ... + 304105.

Almost surely, 2^8213462812 is an apocalyptic number.

It is an amenable number.

8213462812 is a deficient number, since it is larger than the sum of its proper divisors (6164181084).

8213462812 is a wasteful number, since it uses less digits than its factorization.

8213462812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583428 (or 583426 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 8213462812 is about 90628.1568388103. The cubic root of 8213462812 is about 2017.6326555476.

The spelling of 8213462812 in words is "eight billion, two hundred thirteen million, four hundred sixty-two thousand, eight hundred twelve".