112012212221220 has 48 divisors (see below), whose sum is σ = 322110794069568. Its totient is φ = 29062628035200.

The previous prime is 112012212221219. The next prime is 112012212221249. The reversal of 112012212221220 is 22122212210211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25227973506 + ... + 25227977945.

It is an arithmetic number, because the mean of its divisors is an integer number (6710641543116).

Almost surely, 2^{112012212221220} is an apocalyptic number.

112012212221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112012212221220 is an abundant number, since it is smaller than the sum of its proper divisors (210098581848348).

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

112012212221220 is a wasteful number, since it uses less digits than its factorization.

112012212221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50455951500 (or 50455951498 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112012212221220 its reverse (22122212210211), we get a palindrome (134134424431431).

The spelling of 112012212221220 in words is "one hundred twelve trillion, twelve billion, two hundred twelve million, two hundred twenty-one thousand, two hundred twenty".