112212020 has 24 divisors (see below), whose sum is σ = 243772200. Its totient is φ = 43336832.

The previous prime is 112212017. The next prime is 112212031. The reversal of 112212020 is 20212211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37112464 + 75099556 = 6092^2 + 8666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112211992 and 112212010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96155 + ... + 97314.

It is an arithmetic number, because the mean of its divisors is an integer number (10157175).

Almost surely, 2^112212020 is an apocalyptic number.

112212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212020 is an abundant number, since it is smaller than the sum of its proper divisors (131560180).

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

112212020 is a wasteful number, since it uses less digits than its factorization.

112212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193507 (or 193505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 112212020 is about 10593.0175115498. The cubic root of 112212020 is about 482.3324267966.

Adding to 112212020 its reverse (20212211), we get a palindrome (132424231).

The spelling of 112212020 in words is "one hundred twelve million, two hundred twelve thousand, twenty".