113012217 has 24 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 72330720.

The previous prime is 113012201. The next prime is 113012231. The reversal of 113012217 is 712210311.

It is a happy number.

It is not a de Polignac number, because 113012217 - 2⁴ = 113012201 is a prime.

It is a super-2 number, since 2×113012217² = 25543522382510178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113012217.

It is not an unprimeable number, because it can be changed into a prime (113012257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48718 + ... + 50984.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^113012217 is an apocalyptic number.

It is an amenable number.

113012217 is a deficient number, since it is larger than the sum of its proper divisors (56815623).

113012217 is a wasteful number, since it uses less digits than its factorization.

113012217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493 (or 2490 counting only the distinct ones).

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

The square root of 113012217 is about 10630.7204365462. The cubic root of 113012217 is about 483.4762351403.

Adding to 113012217 its reverse (712210311), we get a palindrome (825222528).

The spelling of 113012217 in words is "one hundred thirteen million, twelve thousand, two hundred seventeen".