1112243213 has 12 divisors (see below), whose sum is σ = 1140894048. Its totient is φ = 1084265520.

The previous prime is 1112243183. The next prime is 1112243219. The reversal of 1112243213 is 3123422111.

It is not a de Polignac number, because 1112243213 - 2¹⁰ = 1112242189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112243219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467918 + ... + 470288.

It is an arithmetic number, because the mean of its divisors is an integer number (95074504).

Almost surely, 2^1112243213 is an apocalyptic number.

It is an amenable number.

1112243213 is a deficient number, since it is larger than the sum of its proper divisors (28650835).

1112243213 is an equidigital number, since it uses as much as digits as its factorization.

1112243213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2591 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1112243213 is about 33350.3105382843. The cubic root of 1112243213 is about 1036.0958196258.

Adding to 1112243213 its reverse (3123422111), we get a palindrome (4235665324).

The spelling of 1112243213 in words is "one billion, one hundred twelve million, two hundred forty-three thousand, two hundred thirteen".