810287012 has 24 divisors (see below), whose sum is σ = 1472656416. Its totient is φ = 389809728.

The previous prime is 810286991. The next prime is 810287029. The reversal of 810287012 is 210782018.

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 in 7 ways as a sum of consecutive naturals, for example, 23633 + ... + 46680.

It is an arithmetic number, because the mean of its divisors is an integer number (61360684).

Almost surely, 2^810287012 is an apocalyptic number.

It is an amenable number.

810287012 is a deficient number, since it is larger than the sum of its proper divisors (662369404).

810287012 is a wasteful number, since it uses less digits than its factorization.

810287012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70427 (or 70425 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 810287012 is about 28465.5407817944. The cubic root of 810287012 is about 932.2798391569.

The spelling of 810287012 in words is "eight hundred ten million, two hundred eighty-seven thousand, twelve".