12102311100203 has 2 divisors, whose sum is σ = 12102311100204. Its totient is φ = 12102311100202.

The previous prime is 12102311100193. The next prime is 12102311100211. The reversal of 12102311100203 is 30200111320121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12102311100203 - 2⁸ = 12102311099947 is a prime.

It is not a weakly prime, because it can be changed into another prime (12102311120203) 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, 6051155550101 + 6051155550102.

It is an arithmetic number, because the mean of its divisors is an integer number (6051155550102).

Almost surely, 2^{12102311100203} is an apocalyptic number.

12102311100203 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102311100203 is an equidigital number, since it uses as much as digits as its factorization.

12102311100203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12102311100203 its reverse (30200111320121), we get a palindrome (42302422420324).

The spelling of 12102311100203 in words is "twelve trillion, one hundred two billion, three hundred eleven million, one hundred thousand, two hundred three".