42434340012 has 18 divisors (see below), whose sum is σ = 107264581788. Its totient is φ = 14144779992.

The previous prime is 42434340001. The next prime is 42434340037. The reversal of 42434340012 is 21004343424.

It is a happy number.

42434340012 is a `hidden beast` number, since 4 + 243 + 4 + 3 + 400 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589365798 + ... + 589365869.

Almost surely, 2^42434340012 is an apocalyptic number.

It is an amenable number.

42434340012 is an abundant number, since it is smaller than the sum of its proper divisors (64830241776).

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

42434340012 is a wasteful number, since it uses less digits than its factorization.

42434340012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178731677 (or 1178731672 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42434340012 its reverse (21004343424), we get a palindrome (63438683436).

The spelling of 42434340012 in words is "forty-two billion, four hundred thirty-four million, three hundred forty thousand, twelve".