42042343122 has 48 divisors (see below), whose sum is σ = 98527305240. Its totient is φ = 12879599616.

The previous prime is 42042343111. The next prime is 42042343139. The reversal of 42042343122 is 22134324024.

42042343122 is a `hidden beast` number, since 4 + 204 + 2 + 3 + 431 + 22 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39231328761 + 2811014361 = 198069^2 + 53019^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338703 + ... + 445874.

Almost surely, 2^42042343122 is an apocalyptic number.

42042343122 is an abundant number, since it is smaller than the sum of its proper divisors (56484962118).

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

42042343122 is a wasteful number, since it uses less digits than its factorization.

42042343122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784827 (or 784824 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42042343122 its reverse (22134324024), we get a palindrome (64176667146).

The spelling of 42042343122 in words is "forty-two billion, forty-two million, three hundred forty-three thousand, one hundred twenty-two".