42430340212 has 96 divisors (see below), whose sum is σ = 84643098624. Its totient is φ = 18473011200.

The previous prime is 42430340179. The next prime is 42430340233. The reversal of 42430340212 is 21204303424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21288688 + ... + 21290680.

It is an arithmetic number, because the mean of its divisors is an integer number (881698944).

Almost surely, 2^42430340212 is an apocalyptic number.

It is an amenable number.

42430340212 is a deficient number, since it is larger than the sum of its proper divisors (42212758412).

42430340212 is a wasteful number, since it uses less digits than its factorization.

42430340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2367 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42430340212 its reverse (21204303424), we get a palindrome (63634643636).

The spelling of 42430340212 in words is "forty-two billion, four hundred thirty million, three hundred forty thousand, two hundred twelve".