30012042 has 32 divisors (see below), whose sum is σ = 62596800. Its totient is φ = 9580928.

The previous prime is 30012029. The next prime is 30012107. The reversal of 30012042 is 24021003.

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 15 ways as a sum of consecutive naturals, for example, 23209 + ... + 24467.

It is an arithmetic number, because the mean of its divisors is an integer number (1956150).

Almost surely, 2^30012042 is an apocalyptic number.

30012042 is an abundant number, since it is smaller than the sum of its proper divisors (32584758).

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

30012042 is a wasteful number, since it uses less digits than its factorization.

30012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30012042 is about 5478.3247439340. The cubic root of 30012042 is about 310.7648198049.

Adding to 30012042 its reverse (24021003), we get a palindrome (54033045).

The spelling of 30012042 in words is "thirty million, twelve thousand, forty-two".