42122004320042 has 8 divisors (see below), whose sum is σ = 63183185653536. Its totient is φ = 21060942435532.

The previous prime is 42122004320041. The next prime is 42122004320047. The reversal of 42122004320042 is 24002340022124.

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

It is a junction number, because it is equal to n+sod(n) for n = 42122004319993 and 42122004320020.

It is not an unprimeable number, because it can be changed into a prime (42122004320041) 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, 28975388 + ... + 30394359.

It is an arithmetic number, because the mean of its divisors is an integer number (7897898206692).

Almost surely, 2^{42122004320042} is an apocalyptic number.

42122004320042 is a deficient number, since it is larger than the sum of its proper divisors (21061181333494).

42122004320042 is a wasteful number, since it uses less digits than its factorization.

42122004320042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59724492.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42122004320042 its reverse (24002340022124), we get a palindrome (66124344342166).

The spelling of 42122004320042 in words is "forty-two trillion, one hundred twenty-two billion, four million, three hundred twenty thousand, forty-two".