242140421112 has 128 divisors (see below), whose sum is σ = 634917000960. Its totient is φ = 76888627200.

The previous prime is 242140421063. The next prime is 242140421191. The reversal of 242140421112 is 211124041242.

It is a happy number.

242140421112 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 (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6966208 + ... + 7000880.

It is an arithmetic number, because the mean of its divisors is an integer number (4960289070).

Almost surely, 2^242140421112 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 242140421112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317458500480).

242140421112 is an abundant number, since it is smaller than the sum of its proper divisors (392776579848).

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

242140421112 is a wasteful number, since it uses less digits than its factorization.

242140421112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34893 (or 34889 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 242140421112 its reverse (211124041242), we get a palindrome (453264462354).

The spelling of 242140421112 in words is "two hundred forty-two billion, one hundred forty million, four hundred twenty-one thousand, one hundred twelve".