8012743218 has 12 divisors (see below), whose sum is σ = 17360943678. Its totient is φ = 2670914400.

The previous prime is 8012743187. The next prime is 8012743223. The reversal of 8012743218 is 8123472108.

It can be written as a sum of positive squares in only one way, i.e., 7922246049 + 90497169 = 89007^2 + 9513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222576183 + ... + 222576218.

Almost surely, 2^8012743218 is an apocalyptic number.

8012743218 is an abundant number, since it is smaller than the sum of its proper divisors (9348200460).

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

8012743218 is a wasteful number, since it uses less digits than its factorization.

8012743218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445152409 (or 445152406 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 8012743218 is about 89513.9275085168. The cubic root of 8012743218 is about 2001.0613714790.

The spelling of 8012743218 in words is "eight billion, twelve million, seven hundred forty-three thousand, two hundred eighteen".