1213333322103 has 64 divisors (see below), whose sum is σ = 2187737579520. Its totient is φ = 648776756736.

The previous prime is 1213333322039. The next prime is 1213333322107. The reversal of 1213333322103 is 3012233333121.

1213333322103 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 333 + 322 + 1 + 0 + 3 = 666.

It is not a de Polignac number, because 1213333322103 - 2⁶ = 1213333322039 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 (1213333322107) 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 in 63 ways as a sum of consecutive naturals, for example, 535575 + ... + 1647272.

It is an arithmetic number, because the mean of its divisors is an integer number (34183399680).

Almost surely, 2^{1213333322103} is an apocalyptic number.

1213333322103 is a deficient number, since it is larger than the sum of its proper divisors (974404257417).

1213333322103 is a wasteful number, since it uses less digits than its factorization.

1213333322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183053 (or 2183047 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1213333322103 its reverse (3012233333121), we get a palindrome (4225566655224).

The spelling of 1213333322103 in words is "one trillion, two hundred thirteen billion, three hundred thirty-three million, three hundred twenty-two thousand, one hundred three".