112212313 has 4 divisors (see below), whose sum is σ = 113323428. Its totient is φ = 111101200.

The previous prime is 112212307. The next prime is 112212371. The reversal of 112212313 is 313212211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89056969 + 23155344 = 9437^2 + 4812^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212313 - 2¹³ = 112204121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112210313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555406 + ... + 555607.

It is an arithmetic number, because the mean of its divisors is an integer number (28330857).

Almost surely, 2^112212313 is an apocalyptic number.

It is an amenable number.

112212313 is a deficient number, since it is larger than the sum of its proper divisors (1111115).

112212313 is a wasteful number, since it uses less digits than its factorization.

112212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111114.

The product of its digits is 72, while the sum is 16.

The square root of 112212313 is about 10593.0313414055. The cubic root of 112212313 is about 482.3328466069.

Adding to 112212313 its reverse (313212211), we get a palindrome (425424524).

The spelling of 112212313 in words is "one hundred twelve million, two hundred twelve thousand, three hundred thirteen".