2112012223 has 2 divisors, whose sum is σ = 2112012224. Its totient is φ = 2112012222.

The previous prime is 2112012193. The next prime is 2112012251. The reversal of 2112012223 is 3222102112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2112012223 - 2²⁹ = 1575141311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112012197 and 2112012206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112012293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056006111 + 1056006112.

It is an arithmetic number, because the mean of its divisors is an integer number (1056006112).

Almost surely, 2^2112012223 is an apocalyptic number.

2112012223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112012223 is an equidigital number, since it uses as much as digits as its factorization.

2112012223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2112012223 is about 45956.6341565611. The cubic root of 2112012223 is about 1283.0162071004.

Adding to 2112012223 its reverse (3222102112), we get a palindrome (5334114335).

The spelling of 2112012223 in words is "two billion, one hundred twelve million, twelve thousand, two hundred twenty-three".