112013217 has 6 divisors (see below), whose sum is σ = 161796882. Its totient is φ = 74675472.

The previous prime is 112013207. The next prime is 112013233. The reversal of 112013217 is 712310211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 103856481 + 8156736 = 10191^2 + 2856^2 .

It is not a de Polignac number, because 112013217 - 2⁴ = 112013201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112013217.

It is not an unprimeable number, because it can be changed into a prime (112013207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6222948 + ... + 6222965.

It is an arithmetic number, because the mean of its divisors is an integer number (26966147).

Almost surely, 2^112013217 is an apocalyptic number.

It is an amenable number.

112013217 is a deficient number, since it is larger than the sum of its proper divisors (49783665).

112013217 is a wasteful number, since it uses less digits than its factorization.

112013217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12445919 (or 12445916 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 112013217 is about 10583.6296703919. The cubic root of 112013217 is about 482.0474133097.

Adding to 112013217 its reverse (712310211), we get a palindrome (824323428).

The spelling of 112013217 in words is "one hundred twelve million, thirteen thousand, two hundred seventeen".