42530012 has 24 divisors (see below), whose sum is σ = 85317120. Its totient is φ = 18172080.

The previous prime is 42529957. The next prime is 42530017. The reversal of 42530012 is 21003524.

42530012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530017) 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 7 ways as a sum of consecutive naturals, for example, 7937 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (3554880).

Almost surely, 2^42530012 is an apocalyptic number.

It is an amenable number.

42530012 is an abundant number, since it is smaller than the sum of its proper divisors (42787108).

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

42530012 is a wasteful number, since it uses less digits than its factorization.

42530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601 (or 4599 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 42530012 is about 6521.5038143054. The cubic root of 42530012 is about 349.0587280036.

Adding to 42530012 its reverse (21003524), we get a palindrome (63533536).

The spelling of 42530012 in words is "forty-two million, five hundred thirty thousand, twelve".