30030012 has 36 divisors (see below), whose sum is σ = 77346360. Its totient is φ = 9820512.

The previous prime is 30029969. The next prime is 30030023. The reversal of 30030012 is 21003003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 30029976 and 30030003.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 5962 + ... + 9777.

It is an arithmetic number, because the mean of its divisors is an integer number (2148510).

Almost surely, 2^30030012 is an apocalyptic number.

It is an amenable number.

30030012 is an abundant number, since it is smaller than the sum of its proper divisors (47316348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30030012 is a wasteful number, since it uses less digits than its factorization.

30030012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15802 (or 15797 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 30030012 is about 5479.9645984258. The cubic root of 30030012 is about 310.8268319088.

Adding to 30030012 its reverse (21003003), we get a palindrome (51033015).

It can be divided in two parts, 3003001 and 2, that added together give a palindrome (3003003).

The spelling of 30030012 in words is "thirty million, thirty thousand, twelve".