42112104122 has 32 divisors (see below), whose sum is σ = 69306741504. Its totient is φ = 19031992000.

The previous prime is 42112104103. The next prime is 42112104161. The reversal of 42112104122 is 22140121124.

It is a junction number, because it is equal to n+sod(n) for n = 42112104094 and 42112104103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10187168 + ... + 10191300.

It is an arithmetic number, because the mean of its divisors is an integer number (2165835672).

Almost surely, 2^42112104122 is an apocalyptic number.

42112104122 is a deficient number, since it is larger than the sum of its proper divisors (27194637382).

42112104122 is a wasteful number, since it uses less digits than its factorization.

42112104122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6694.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 42112104122 its reverse (22140121124), we get a palindrome (64252225246).

The spelling of 42112104122 in words is "forty-two billion, one hundred twelve million, one hundred four thousand, one hundred twenty-two".