112421243205 has 12 divisors (see below), whose sum is σ = 194863488300. Its totient is φ = 59957996352.

The previous prime is 112421243191. The next prime is 112421243239. The reversal of 112421243205 is 502342124211.

112421243205 is a `hidden beast` number, since 1 + 12 + 4 + 212 + 432 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 57568324356 + 54852918849 = 239934^2 + 234207^2 .

It is not a de Polignac number, because 112421243205 - 2⁴ = 112421243189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1249124880 + ... + 1249124969.

It is an arithmetic number, because the mean of its divisors is an integer number (16238624025).

Almost surely, 2^112421243205 is an apocalyptic number.

112421243205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112421243205 is a deficient number, since it is larger than the sum of its proper divisors (82442245095).

112421243205 is a wasteful number, since it uses less digits than its factorization.

112421243205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498249860 (or 2498249857 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 112421243205 its reverse (502342124211), we get a palindrome (614763367416).

The spelling of 112421243205 in words is "one hundred twelve billion, four hundred twenty-one million, two hundred forty-three thousand, two hundred five".