518207012 has 24 divisors (see below), whose sum is σ = 919020480. Its totient is φ = 255653280.

The previous prime is 518206991. The next prime is 518207029. The reversal of 518207012 is 210702815.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90062 + ... + 95642.

It is an arithmetic number, because the mean of its divisors is an integer number (38292520).

Almost surely, 2^518207012 is an apocalyptic number.

It is an amenable number.

518207012 is a deficient number, since it is larger than the sum of its proper divisors (400813468).

518207012 is a wasteful number, since it uses less digits than its factorization.

518207012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5891 (or 5889 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 518207012 is about 22764.1606917540. The cubic root of 518207012 is about 803.2198421347.

Adding to 518207012 its reverse (210702815), we get a palindrome (728909827).

The spelling of 518207012 in words is "five hundred eighteen million, two hundred seven thousand, twelve".