112122657720 has 192 divisors, whose sum is σ = 369283561920. Its totient is φ = 29501233152.

The previous prime is 112122657653. The next prime is 112122657721. The reversal of 112122657720 is 27756221211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122657721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8229634 + ... + 8243246.

It is an arithmetic number, because the mean of its divisors is an integer number (1923351885).

Almost surely, 2^112122657720 is an apocalyptic number.

112122657720 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 112122657720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184641780960).

112122657720 is an abundant number, since it is smaller than the sum of its proper divisors (257160904200).

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

112122657720 is a wasteful number, since it uses less digits than its factorization.

112122657720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13934 (or 13927 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

Adding to 112122657720 its reverse (27756221211), we get a palindrome (139878878931).

The spelling of 112122657720 in words is "one hundred twelve billion, one hundred twenty-two million, six hundred fifty-seven thousand, seven hundred twenty".