42042342012 has 288 divisors, whose sum is σ = 114319054080. Its totient is φ = 12004608000.

The previous prime is 42042341993. The next prime is 42042342029. The reversal of 42042342012 is 21024324024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 372056068 + ... + 372056180.

It is an arithmetic number, because the mean of its divisors is an integer number (396941160).

Almost surely, 2^42042342012 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 42042342012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57159527040).

42042342012 is an abundant number, since it is smaller than the sum of its proper divisors (72276712068).

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

42042342012 is a wasteful number, since it uses less digits than its factorization.

42042342012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 42042342012 its reverse (21024324024), we get a palindrome (63066666036).

The spelling of 42042342012 in words is "forty-two billion, forty-two million, three hundred forty-two thousand, twelve".