42231121312 has 24 divisors (see below), whose sum is σ = 84911512896. Its totient is φ = 20666292672.

The previous prime is 42231121271. The next prime is 42231121337. The reversal of 42231121312 is 21312113224.

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 3 ways as a sum of consecutive naturals, for example, 14038098 + ... + 14041105.

It is an arithmetic number, because the mean of its divisors is an integer number (3537979704).

Almost surely, 2^42231121312 is an apocalyptic number.

It is an amenable number.

42231121312 is an abundant number, since it is smaller than the sum of its proper divisors (42680391584).

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

42231121312 is a wasteful number, since it uses less digits than its factorization.

42231121312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28079260 (or 28079252 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

Adding to 42231121312 its reverse (21312113224), we get a palindrome (63543234536).

The spelling of 42231121312 in words is "forty-two billion, two hundred thirty-one million, one hundred twenty-one thousand, three hundred twelve".