112220212212 has 24 divisors (see below), whose sum is σ = 290941291200. Its totient is φ = 37406737368.

The previous prime is 112220212177. The next prime is 112220212253. The reversal of 112220212212 is 212212022211.

It is a happy number.

112220212212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 519537912 + ... + 519538127.

It is an arithmetic number, because the mean of its divisors is an integer number (12122553800).

Almost surely, 2^112220212212 is an apocalyptic number.

112220212212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112220212212 is an abundant number, since it is smaller than the sum of its proper divisors (178721078988).

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

112220212212 is a wasteful number, since it uses less digits than its factorization.

112220212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039076052 (or 1039076044 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112220212212 its reverse (212212022211), we get a palindrome (324432234423).

The spelling of 112220212212 in words is "one hundred twelve billion, two hundred twenty million, two hundred twelve thousand, two hundred twelve".