42330012 has 12 divisors (see below), whose sum is σ = 98770056. Its totient is φ = 14110000.

The previous prime is 42329977. The next prime is 42330031. The reversal of 42330012 is 21003324.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42329973 and 42330000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1763739 + ... + 1763762.

It is an arithmetic number, because the mean of its divisors is an integer number (8230838).

Almost surely, 2^42330012 is an apocalyptic number.

It is an amenable number.

42330012 is an abundant number, since it is smaller than the sum of its proper divisors (56440044).

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

42330012 is a wasteful number, since it uses less digits than its factorization.

42330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527508 (or 3527506 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42330012 is about 6506.1518580494. The cubic root of 42330012 is about 348.5107113565.

Adding to 42330012 its reverse (21003324), we get a palindrome (63333336).

The spelling of 42330012 in words is "forty-two million, three hundred thirty thousand, twelve".