42423204212 has 12 divisors (see below), whose sum is σ = 74774713440. Its totient is φ = 21059000376.

The previous prime is 42423204203. The next prime is 42423204227. The reversal of 42423204212 is 21240232424.

It is a super-2 number, since 2×42423204212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38149808 + ... + 38150919.

It is an arithmetic number, because the mean of its divisors is an integer number (6231226120).

Almost surely, 2^42423204212 is an apocalyptic number.

It is an amenable number.

42423204212 is a deficient number, since it is larger than the sum of its proper divisors (32351509228).

42423204212 is a wasteful number, since it uses less digits than its factorization.

42423204212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76300870 (or 76300868 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42423204212 its reverse (21240232424), we get a palindrome (63663436636).

The spelling of 42423204212 in words is "forty-two billion, four hundred twenty-three million, two hundred four thousand, two hundred twelve".