8081730212 has 6 divisors (see below), whose sum is σ = 14143027878. Its totient is φ = 4040865104.

The previous prime is 8081730203. The next prime is 8081730227. The reversal of 8081730212 is 2120371808.

It can be written as a sum of positive squares in only one way, i.e., 6486047296 + 1595682916 = 80536^2 + 39946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010216273 + ... + 1010216280.

It is an arithmetic number, because the mean of its divisors is an integer number (2357171313).

Almost surely, 2^8081730212 is an apocalyptic number.

It is an amenable number.

8081730212 is a deficient number, since it is larger than the sum of its proper divisors (6061297666).

8081730212 is a wasteful number, since it uses less digits than its factorization.

8081730212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020432557 (or 2020432555 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 8081730212 is about 89898.4438797469. The cubic root of 8081730212 is about 2006.7877879059.

The spelling of 8081730212 in words is "eight billion, eighty-one million, seven hundred thirty thousand, two hundred twelve".