42000122442142 has 8 divisors (see below), whose sum is σ = 63034293134736. Its totient is φ = 20988691397232.

The previous prime is 42000122442079. The next prime is 42000122442143. The reversal of 42000122442142 is 24124422100024.

It is a happy number.

42000122442142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42000122442142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000122442143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5684907303 + ... + 5684914690.

It is an arithmetic number, because the mean of its divisors is an integer number (7879286641842).

Almost surely, 2^{42000122442142} is an apocalyptic number.

42000122442142 is a deficient number, since it is larger than the sum of its proper divisors (21034170692594).

42000122442142 is a wasteful number, since it uses less digits than its factorization.

42000122442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369823842.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 42000122442142 its reverse (24124422100024), we get a palindrome (66124544542166).

The spelling of 42000122442142 in words is "forty-two trillion, one hundred twenty-two million, four hundred forty-two thousand, one hundred forty-two".