30040012 has 12 divisors (see below), whose sum is σ = 52625776. Its totient is φ = 15004080.

The previous prime is 30040009. The next prime is 30040013. The reversal of 30040012 is 21004003.

It is not an unprimeable number, because it can be changed into a prime (30040013) 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, 937 + ... + 7807.

Almost surely, 2^30040012 is an apocalyptic number.

It is an amenable number.

30040012 is a deficient number, since it is larger than the sum of its proper divisors (22585764).

30040012 is a wasteful number, since it uses less digits than its factorization.

30040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968 (or 7966 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30040012 is about 5480.8769371333. The cubic root of 30040012 is about 310.8613298788.

Adding to 30040012 its reverse (21004003), we get a palindrome (51044015).

It can be divided in two parts, 3004001 and 2, that added together give a palindrome (3004003).

The spelling of 30040012 in words is "thirty million, forty thousand, twelve".