2012220221023 has 2 divisors, whose sum is σ = 2012220221024. Its totient is φ = 2012220221022.

The previous prime is 2012220220991. The next prime is 2012220221059. The reversal of 2012220221023 is 3201220222102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012220221023 - 2⁵ = 2012220220991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012220221083) 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, 1006110110511 + 1006110110512.

It is an arithmetic number, because the mean of its divisors is an integer number (1006110110512).

Almost surely, 2^{2012220221023} is an apocalyptic number.

2012220221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012220221023 is an equidigital number, since it uses as much as digits as its factorization.

2012220221023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2012220221023 its reverse (3201220222102), we get a palindrome (5213440443125).

The spelling of 2012220221023 in words is "two trillion, twelve billion, two hundred twenty million, two hundred twenty-one thousand, twenty-three".