42242423212 has 24 divisors (see below), whose sum is σ = 80701180560. Its totient is φ = 19187636160.

The previous prime is 42242423183. The next prime is 42242423213. The reversal of 42242423212 is 21232424224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42242423213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273043 + ... + 398794.

It is an arithmetic number, because the mean of its divisors is an integer number (3362549190).

Almost surely, 2^42242423212 is an apocalyptic number.

It is an amenable number.

42242423212 is a deficient number, since it is larger than the sum of its proper divisors (38458757348).

42242423212 is a wasteful number, since it uses less digits than its factorization.

42242423212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673281 (or 673279 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

Adding to 42242423212 its reverse (21232424224), we get a palindrome (63474847436).

The spelling of 42242423212 in words is "forty-two billion, two hundred forty-two million, four hundred twenty-three thousand, two hundred twelve".