2012231220211 has 2 divisors, whose sum is σ = 2012231220212. Its totient is φ = 2012231220210.

The previous prime is 2012231220191. The next prime is 2012231220269. The reversal of 2012231220211 is 1120221322102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012231220211 - 2²³ = 2012222831603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012231220271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006115610105 + 1006115610106.

It is an arithmetic number, because the mean of its divisors is an integer number (1006115610106).

Almost surely, 2^{2012231220211} is an apocalyptic number.

2012231220211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012231220211 is an equidigital number, since it uses as much as digits as its factorization.

2012231220211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2012231220211 its reverse (1120221322102), we get a palindrome (3132452542313).

The spelling of 2012231220211 in words is "two trillion, twelve billion, two hundred thirty-one million, two hundred twenty thousand, two hundred eleven".