1213133202103 has 2 divisors, whose sum is σ = 1213133202104. Its totient is φ = 1213133202102.

The previous prime is 1213133202097. The next prime is 1213133202121. The reversal of 1213133202103 is 3012023313121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213133202103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213133202403) 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, 606566601051 + 606566601052.

It is an arithmetic number, because the mean of its divisors is an integer number (606566601052).

Almost surely, 2^{1213133202103} is an apocalyptic number.

1213133202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213133202103 is an equidigital number, since it uses as much as digits as its factorization.

1213133202103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1213133202103 its reverse (3012023313121), we get a palindrome (4225156515224).

The spelling of 1213133202103 in words is "one trillion, two hundred thirteen billion, one hundred thirty-three million, two hundred two thousand, one hundred three".