2012122322123 has 2 divisors, whose sum is σ = 2012122322124. Its totient is φ = 2012122322122.

The previous prime is 2012122322117. The next prime is 2012122322137. The reversal of 2012122322123 is 3212232212102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012122322123 - 2⁴ = 2012122322107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012122322143) 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, 1006061161061 + 1006061161062.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061161062).

Almost surely, 2^{2012122322123} is an apocalyptic number.

2012122322123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012122322123 is an equidigital number, since it uses as much as digits as its factorization.

2012122322123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2012122322123 its reverse (3212232212102), we get a palindrome (5224354534225).

The spelling of 2012122322123 in words is "two trillion, twelve billion, one hundred twenty-two million, three hundred twenty-two thousand, one hundred twenty-three".