30108812 has 12 divisors (see below), whose sum is σ = 54390336. Its totient is φ = 14568720.

The previous prime is 30108797. The next prime is 30108829. The reversal of 30108812 is 21880103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121283 + ... + 121530.

It is an arithmetic number, because the mean of its divisors is an integer number (4532528).

Almost surely, 2^30108812 is an apocalyptic number.

It is an amenable number.

30108812 is a deficient number, since it is larger than the sum of its proper divisors (24281524).

30108812 is a wasteful number, since it uses less digits than its factorization.

30108812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242848 (or 242846 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 30108812 is about 5487.1497154716. The cubic root of 30108812 is about 311.0984686284.

Adding to 30108812 its reverse (21880103), we get a palindrome (51988915).

The spelling of 30108812 in words is "thirty million, one hundred eight thousand, eight hundred twelve".