42044212122 has 64 divisors (see below), whose sum is σ = 94936527360. Its totient is φ = 12296088000.

The previous prime is 42044212097. The next prime is 42044212127. The reversal of 42044212122 is 22121244024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42044212092 and 42044212101.

It is not an unprimeable number, because it can be changed into a prime (42044212127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8899653 + ... + 8904375.

It is an arithmetic number, because the mean of its divisors is an integer number (1483383240).

Almost surely, 2^42044212122 is an apocalyptic number.

42044212122 is an abundant number, since it is smaller than the sum of its proper divisors (52892315238).

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

42044212122 is a wasteful number, since it uses less digits than its factorization.

42044212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9419.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42044212122 its reverse (22121244024), we get a palindrome (64165456146).

The spelling of 42044212122 in words is "forty-two billion, forty-four million, two hundred twelve thousand, one hundred twenty-two".