42112213434 has 48 divisors (see below), whose sum is σ = 96172202880. Its totient is φ = 13281036480.

The previous prime is 42112213417. The next prime is 42112213477. The reversal of 42112213434 is 43431221124.

42112213434 is a `hidden beast` number, since 4 + 2 + 1 + 1 + 221 + 3 + 434 = 666.

42112213434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42112213398 and 42112213407.

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, 179359 + ... + 341165.

It is an arithmetic number, because the mean of its divisors is an integer number (2003587560).

Almost surely, 2^42112213434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42112213434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48086101440).

42112213434 is an abundant number, since it is smaller than the sum of its proper divisors (54059989446).

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

42112213434 is a wasteful number, since it uses less digits than its factorization.

42112213434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162595 (or 162592 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

Adding to 42112213434 its reverse (43431221124), we get a palindrome (85543434558).

The spelling of 42112213434 in words is "forty-two billion, one hundred twelve million, two hundred thirteen thousand, four hundred thirty-four".