30212804 has 12 divisors (see below), whose sum is σ = 52920000. Its totient is φ = 15092808.

The previous prime is 30212803. The next prime is 30212807. The reversal of 30212804 is 40821203.

It is not an unprimeable number, because it can be changed into a prime (30212803) 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, 2897 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (4410000).

Almost surely, 2^30212804 is an apocalyptic number.

It is an amenable number.

30212804 is a deficient number, since it is larger than the sum of its proper divisors (22707196).

30212804 is a wasteful number, since it uses less digits than its factorization.

30212804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802 (or 6800 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 30212804 is about 5496.6175053391. The cubic root of 30212804 is about 311.4562218887.

The spelling of 30212804 in words is "thirty million, two hundred twelve thousand, eight hundred four".