42002231112 has 96 divisors (see below), whose sum is σ = 115400376000. Its totient is φ = 13799693952.

The previous prime is 42002231107. The next prime is 42002231123. The reversal of 42002231112 is 21113220024.

It is a happy number.

42002231112 is a `hidden beast` number, since 420 + 0 + 2 + 231 + 1 + 12 = 666.

42002231112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1519398 + ... + 1546794.

It is an arithmetic number, because the mean of its divisors is an integer number (1202087250).

Almost surely, 2^42002231112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42002231112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57700188000).

42002231112 is an abundant number, since it is smaller than the sum of its proper divisors (73398144888).

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

42002231112 is a wasteful number, since it uses less digits than its factorization.

42002231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27715 (or 27708 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42002231112 its reverse (21113220024), we get a palindrome (63115451136).

The spelling of 42002231112 in words is "forty-two billion, two million, two hundred thirty-one thousand, one hundred twelve".