112220121200 has 120 divisors (see below), whose sum is σ = 311420045520. Its totient is φ = 38406860800.

The previous prime is 112220121187. The next prime is 112220121229. The reversal of 112220121200 is 2121022211.

It is a congruent number.

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, 675335 + ... + 824934.

It is an arithmetic number, because the mean of its divisors is an integer number (2595167046).

Almost surely, 2^112220121200 is an apocalyptic number.

112220121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220121200 is an abundant number, since it is smaller than the sum of its proper divisors (199199924320).

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

112220121200 is a wasteful number, since it uses less digits than its factorization.

112220121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500315 (or 1500304 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112220121200 its reverse (2121022211), we get a palindrome (114341143411).

The spelling of 112220121200 in words is "one hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, two hundred".