112421421240 has 64 divisors (see below), whose sum is σ = 351927936000. Its totient is φ = 28675608192.

The previous prime is 112421421197. The next prime is 112421421247. The reversal of 112421421240 is 42124124211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 112421421240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112421421247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20363440 + ... + 20368959.

It is an arithmetic number, because the mean of its divisors is an integer number (5498874000).

Almost surely, 2^112421421240 is an apocalyptic number.

112421421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112421421240 is an abundant number, since it is smaller than the sum of its proper divisors (239506514760).

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

112421421240 is a wasteful number, since it uses less digits than its factorization.

112421421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40732436 (or 40732432 counting only the distinct ones).

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

Adding to 112421421240 its reverse (42124124211), we get a palindrome (154545545451).

The spelling of 112421421240 in words is "one hundred twelve billion, four hundred twenty-one million, four hundred twenty-one thousand, two hundred forty".