42243143312 has 40 divisors (see below), whose sum is σ = 84082638456. Its totient is φ = 20544731136.

The previous prime is 42243143309. The next prime is 42243143317. The reversal of 42243143312 is 21334134224.

42243143312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10912727296 + 31330416016 = 104464^2 + 177004^2 .

It is not an unprimeable number, because it can be changed into a prime (42243143317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2559278 + ... + 2575730.

Almost surely, 2^42243143312 is an apocalyptic number.

It is an amenable number.

42243143312 is a deficient number, since it is larger than the sum of its proper divisors (41839495144).

42243143312 is a wasteful number, since it uses less digits than its factorization.

42243143312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835 (or 20829 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

Adding to 42243143312 its reverse (21334134224), we get a palindrome (63577277536).

The spelling of 42243143312 in words is "forty-two billion, two hundred forty-three million, one hundred forty-three thousand, three hundred twelve".