1213033233303 has 32 divisors (see below), whose sum is σ = 1879324224000. Its totient is φ = 771835635648.

The previous prime is 1213033233289. The next prime is 1213033233323. The reversal of 1213033233303 is 3033323303121.

1213033233303 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 0 + 3 + 323 + 330 + 3 = 666.

It is not a de Polignac number, because 1213033233303 - 2⁴ = 1213033233287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213033233323) 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, 1853353 + ... + 2420946.

It is an arithmetic number, because the mean of its divisors is an integer number (58728882000).

Almost surely, 2^{1213033233303} is an apocalyptic number.

1213033233303 is a deficient number, since it is larger than the sum of its proper divisors (666290990697).

1213033233303 is a wasteful number, since it uses less digits than its factorization.

1213033233303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274788 (or 4274782 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 1213033233303 its reverse (3033323303121), we get a palindrome (4246356536424).

The spelling of 1213033233303 in words is "one trillion, two hundred thirteen billion, thirty-three million, two hundred thirty-three thousand, three hundred three".