42112104342 has 64 divisors (see below), whose sum is σ = 105109843968. Its totient is φ = 10927476000.

The previous prime is 42112104313. The next prime is 42112104361. The reversal of 42112104342 is 24340121124.

It is a super-2 number, since 2×42112104342² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432117 + ... + 520527.

It is an arithmetic number, because the mean of its divisors is an integer number (1642341312).

Almost surely, 2^42112104342 is an apocalyptic number.

42112104342 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 42112104342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52554921984).

42112104342 is an abundant number, since it is smaller than the sum of its proper divisors (62997739626).

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

42112104342 is a wasteful number, since it uses less digits than its factorization.

42112104342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89465.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42112104342 its reverse (24340121124), we get a palindrome (66452225466).

The spelling of 42112104342 in words is "forty-two billion, one hundred twelve million, one hundred four thousand, three hundred forty-two".