30504012 has 48 divisors (see below), whose sum is σ = 88741632. Its totient is φ = 7922880.

The previous prime is 30503989. The next prime is 30504013. The reversal of 30504012 is 21040503.

It is a super-2 number, since 2×30504012² = 1860989496192288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30503982 and 30504000.

It is not an unprimeable number, because it can be changed into a prime (30504013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15583 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (1848784).

Almost surely, 2^30504012 is an apocalyptic number.

It is an amenable number.

30504012 is an abundant number, since it is smaller than the sum of its proper divisors (58237620).

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

30504012 is a wasteful number, since it uses less digits than its factorization.

30504012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33038 (or 33036 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 30504012 is about 5523.0437260626. The cubic root of 30504012 is about 312.4536874301.

Adding to 30504012 its reverse (21040503), we get a palindrome (51544515).

The spelling of 30504012 in words is "thirty million, five hundred four thousand, twelve".