30168812 has 12 divisors (see below), whose sum is σ = 55901160. Its totient is φ = 14197056.

The previous prime is 30168811. The next prime is 30168821. The reversal of 30168812 is 21886103.

It is not an unprimeable number, because it can be changed into a prime (30168811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221762 + ... + 221897.

It is an arithmetic number, because the mean of its divisors is an integer number (4658430).

Almost surely, 2^30168812 is an apocalyptic number.

It is an amenable number.

30168812 is a deficient number, since it is larger than the sum of its proper divisors (25732348).

30168812 is a wasteful number, since it uses less digits than its factorization.

30168812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443680 (or 443678 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 30168812 is about 5492.6143137854. The cubic root of 30168812 is about 311.3049809595.

The spelling of 30168812 in words is "thirty million, one hundred sixty-eight thousand, eight hundred twelve".