112212331020 has 168 divisors, whose sum is σ = 355653980640. Its totient is φ = 29724537600.

The previous prime is 112212331019. The next prime is 112212331061. The reversal of 112212331020 is 20133212211.

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

It is a junction number, because it is equal to n+sod(n) for n = 112212330984 and 112212331002.

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 55 ways as a sum of consecutive naturals, for example, 2176096 + ... + 2227064.

It is an arithmetic number, because the mean of its divisors is an integer number (2116987980).

Almost surely, 2^112212331020 is an apocalyptic number.

112212331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112212331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177826990320).

112212331020 is an abundant number, since it is smaller than the sum of its proper divisors (243441649620).

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

112212331020 is a wasteful number, since it uses less digits than its factorization.

112212331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51147 (or 51130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112212331020 its reverse (20133212211), we get a palindrome (132345543231).

The spelling of 112212331020 in words is "one hundred twelve billion, two hundred twelve million, three hundred thirty-one thousand, twenty".