2112303213 has 12 divisors (see below), whose sum is σ = 3071312608. Its totient is φ = 1398875400.

The previous prime is 2112303209. The next prime is 2112303229. The reversal of 2112303213 is 3123032112.

It is not a de Polignac number, because 2112303213 - 2² = 2112303209 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 (2112303293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775795 + ... + 778512.

Almost surely, 2^2112303213 is an apocalyptic number.

It is an amenable number.

2112303213 is a deficient number, since it is larger than the sum of its proper divisors (959009395).

2112303213 is a wasteful number, since it uses less digits than its factorization.

2112303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554464 (or 1554461 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2112303213 is about 45959.7999669276. The cubic root of 2112303213 is about 1283.0751284357.

Adding to 2112303213 its reverse (3123032112), we get a palindrome (5235335325).

The spelling of 2112303213 in words is "two billion, one hundred twelve million, three hundred three thousand, two hundred thirteen".