42212240443 has 4 divisors (see below), whose sum is σ = 42258174160. Its totient is φ = 42166306728.

The previous prime is 42212240419. The next prime is 42212240459. The reversal of 42212240443 is 34404221224.

42212240443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42212240443 - 2⁹ = 42212239931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42212220443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22965480 + ... + 22967317.

It is an arithmetic number, because the mean of its divisors is an integer number (10564543540).

Almost surely, 2^42212240443 is an apocalyptic number.

42212240443 is a deficient number, since it is larger than the sum of its proper divisors (45933717).

42212240443 is an equidigital number, since it uses as much as digits as its factorization.

42212240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45933716.

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

Adding to 42212240443 its reverse (34404221224), we get a palindrome (76616461667).

The spelling of 42212240443 in words is "forty-two billion, two hundred twelve million, two hundred forty thousand, four hundred forty-three".