112289657202 has 54 divisors (see below), whose sum is σ = 256834947213. Its totient is φ = 35451361584.

The previous prime is 112289657189. The next prime is 112289657209. The reversal of 112289657202 is 202756982211.

112289657202 is a `hidden beast` number, since 112 + 289 + 6 + 57 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112064927121 + 224730081 = 334761^2 + 14991^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=236949.

It is a super-2 number, since 2×112289657202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112289657209) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27010108 + ... + 27014264.

Almost surely, 2^112289657202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112289657202

112289657202 is an abundant number, since it is smaller than the sum of its proper divisors (144545290011).

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

112289657202 is an frugal number, since it uses more digits than its factorization.

112289657202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8360 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 112289657202 in words is "one hundred twelve billion, two hundred eighty-nine million, six hundred fifty-seven thousand, two hundred two".