2112312243 has 8 divisors (see below), whose sum is σ = 2816861328. Its totient is φ = 1407985664.

The previous prime is 2112312229. The next prime is 2112312247. The reversal of 2112312243 is 3422132112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112312243 - 2¹⁰ = 2112311219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2112312247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32046 + ... + 72467.

It is an arithmetic number, because the mean of its divisors is an integer number (352107666).

Almost surely, 2^2112312243 is an apocalyptic number.

2112312243 is a deficient number, since it is larger than the sum of its proper divisors (704549085).

2112312243 is a wasteful number, since it uses less digits than its factorization.

2112312243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111253.

The product of its digits is 576, while the sum is 21.

The square root of 2112312243 is about 45959.8982048481. The cubic root of 2112312243 is about 1283.0769567957.

Adding to 2112312243 its reverse (3422132112), we get a palindrome (5534444355).

The spelling of 2112312243 in words is "two billion, one hundred twelve million, three hundred twelve thousand, two hundred forty-three".