1213003003303 has 32 divisors (see below), whose sum is σ = 1503936959616. Its totient is φ = 952672900608.

The previous prime is 1213003003291. The next prime is 1213003003313. The reversal of 1213003003303 is 3033003003121.

It is not a de Polignac number, because 1213003003303 - 2⁹ = 1213003002791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213003003313) 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 in 31 ways as a sum of consecutive naturals, for example, 14430825 + ... + 14514637.

It is an arithmetic number, because the mean of its divisors is an integer number (46998029988).

Almost surely, 2^{1213003003303} is an apocalyptic number.

1213003003303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1213003003303 is a deficient number, since it is larger than the sum of its proper divisors (290933956313).

1213003003303 is a wasteful number, since it uses less digits than its factorization.

1213003003303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85003.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 1213003003303 its reverse (3033003003121), we get a palindrome (4246006006424).

The spelling of 1213003003303 in words is "one trillion, two hundred thirteen billion, three million, three thousand, three hundred three".