2012123102203 has 2 divisors, whose sum is σ = 2012123102204. Its totient is φ = 2012123102202.

The previous prime is 2012123102173. The next prime is 2012123102237. The reversal of 2012123102203 is 3022013212102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012123102203 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012123102263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006061551101 + 1006061551102.

It is an arithmetic number, because the mean of its divisors is an integer number (1006061551102).

Almost surely, 2^{2012123102203} is an apocalyptic number.

2012123102203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012123102203 is an equidigital number, since it uses as much as digits as its factorization.

2012123102203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2012123102203 its reverse (3022013212102), we get a palindrome (5034136314305).

The spelling of 2012123102203 in words is "two trillion, twelve billion, one hundred twenty-three million, one hundred two thousand, two hundred three".