1213522322003 has 2 divisors, whose sum is σ = 1213522322004. Its totient is φ = 1213522322002.

The previous prime is 1213522321981. The next prime is 1213522322041. The reversal of 1213522322003 is 3002232253121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213522322003 - 2³⁶ = 1144802845267 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213522322083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606761161001 + 606761161002.

It is an arithmetic number, because the mean of its divisors is an integer number (606761161002).

Almost surely, 2^{1213522322003} is an apocalyptic number.

1213522322003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213522322003 is an equidigital number, since it uses as much as digits as its factorization.

1213522322003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1213522322003 its reverse (3002232253121), we get a palindrome (4215754575124).

The spelling of 1213522322003 in words is "one trillion, two hundred thirteen billion, five hundred twenty-two million, three hundred twenty-two thousand, three".