42221324312 has 16 divisors (see below), whose sum is σ = 79904844360. Its totient is φ = 20913365824.

The previous prime is 42221324281. The next prime is 42221324323. The reversal of 42221324312 is 21342312224.

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, 24661133 + ... + 24662844.

Almost surely, 2^42221324312 is an apocalyptic number.

It is an amenable number.

42221324312 is a deficient number, since it is larger than the sum of its proper divisors (37683520048).

42221324312 is a wasteful number, since it uses less digits than its factorization.

42221324312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49324090 (or 49324086 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

Adding to 42221324312 its reverse (21342312224), we get a palindrome (63563636536).

The spelling of 42221324312 in words is "forty-two billion, two hundred twenty-one million, three hundred twenty-four thousand, three hundred twelve".