30530012 has 24 divisors (see below), whose sum is σ = 54652752. Its totient is φ = 14918400.

The previous prime is 30529999. The next prime is 30530021. The reversal of 30530012 is 21003503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51188 + ... + 51780.

It is an arithmetic number, because the mean of its divisors is an integer number (2277198).

Almost surely, 2^30530012 is an apocalyptic number.

It is an amenable number.

30530012 is a deficient number, since it is larger than the sum of its proper divisors (24122740).

30530012 is a wasteful number, since it uses less digits than its factorization.

30530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30530012 is about 5525.3969993115. The cubic root of 30530012 is about 312.5424351974.

Adding to 30530012 its reverse (21003503), we get a palindrome (51533515).

The spelling of 30530012 in words is "thirty million, five hundred thirty thousand, twelve".