1213020113303 has 2 divisors, whose sum is σ = 1213020113304. Its totient is φ = 1213020113302.

The previous prime is 1213020113293. The next prime is 1213020113377. The reversal of 1213020113303 is 3033110203121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213020113303 - 2³⁴ = 1195840244119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213020113603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606510056651 + 606510056652.

It is an arithmetic number, because the mean of its divisors is an integer number (606510056652).

Almost surely, 2^{1213020113303} is an apocalyptic number.

1213020113303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213020113303 is an equidigital number, since it uses as much as digits as its factorization.

1213020113303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1213020113303 its reverse (3033110203121), we get a palindrome (4246130316424).

The spelling of 1213020113303 in words is "one trillion, two hundred thirteen billion, twenty million, one hundred thirteen thousand, three hundred three".