2012122243 has 2 divisors, whose sum is σ = 2012122244. Its totient is φ = 2012122242.

The previous prime is 2012122237. The next prime is 2012122247. The reversal of 2012122243 is 3422212102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012122243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012122243.

It is not a weakly prime, because it can be changed into another prime (2012122247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006061121 + 1006061122.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061122).

Almost surely, 2^2012122243 is an apocalyptic number.

2012122243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012122243 is an equidigital number, since it uses as much as digits as its factorization.

2012122243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2012122243 is about 44856.6855998078. The cubic root of 2012122243 is about 1262.4614357792.

Adding to 2012122243 its reverse (3422212102), we get a palindrome (5434334345).

The spelling of 2012122243 in words is "two billion, twelve million, one hundred twenty-two thousand, two hundred forty-three".