30005012 has 12 divisors (see below), whose sum is σ = 53292960. Its totient is φ = 14778456.

The previous prime is 30005011. The next prime is 30005023. The reversal of 30005012 is 21050003.

It is a junction number, because it is equal to n+sod(n) for n = 30004984 and 30005002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30005011) by changing a digit.

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, 55712 + ... + 56247.

It is an arithmetic number, because the mean of its divisors is an integer number (4441080).

Almost surely, 2^30005012 is an apocalyptic number.

It is an amenable number.

30005012 is a deficient number, since it is larger than the sum of its proper divisors (23287948).

30005012 is a wasteful number, since it uses less digits than its factorization.

30005012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112030 (or 112028 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 30005012 is about 5477.6830868534. The cubic root of 30005012 is about 310.7405534644.

Adding to 30005012 its reverse (21050003), we get a palindrome (51055015).

The spelling of 30005012 in words is "thirty million, five thousand, twelve".