112212201220 has 48 divisors (see below), whose sum is σ = 269350195968. Its totient is φ = 38466910080.

The previous prime is 112212201187. The next prime is 112212201229. The reversal of 112212201220 is 22102212211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 112212201194 and 112212201203.

It is not an unprimeable number, because it can be changed into a prime (112212201229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920230 + ... + 1035010.

It is an arithmetic number, because the mean of its divisors is an integer number (5611462416).

Almost surely, 2^112212201220 is an apocalyptic number.

112212201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212201220 is an abundant number, since it is smaller than the sum of its proper divisors (157137994748).

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

112212201220 is a wasteful number, since it uses less digits than its factorization.

112212201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121780 (or 121778 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112212201220 its reverse (22102212211), we get a palindrome (134314413431).

The spelling of 112212201220 in words is "one hundred twelve billion, two hundred twelve million, two hundred one thousand, two hundred twenty".