1213203234203 has 2 divisors, whose sum is σ = 1213203234204. Its totient is φ = 1213203234202.

The previous prime is 1213203234167. The next prime is 1213203234211. The reversal of 1213203234203 is 3024323023121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1213203234203 - 2⁸ = 1213203233947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213203234223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606601617101 + 606601617102.

It is an arithmetic number, because the mean of its divisors is an integer number (606601617102).

Almost surely, 2^{1213203234203} is an apocalyptic number.

1213203234203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213203234203 is an equidigital number, since it uses as much as digits as its factorization.

1213203234203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1213203234203 its reverse (3024323023121), we get a palindrome (4237526257324).

The spelling of 1213203234203 in words is "one trillion, two hundred thirteen billion, two hundred three million, two hundred thirty-four thousand, two hundred three".