1213103222233 has 6 divisors (see below), whose sum is σ = 1411160891226. Its totient is φ = 1039802761872.

The previous prime is 1213103222189. The next prime is 1213103222237. The reversal of 1213103222233 is 3322223013121.

It can be written as a sum of positive squares in only one way, i.e., 1002617710864 + 210485511369 = 1001308^2 + 458787^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1213103222233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213103222198 and 1213103222207.

It is not an unprimeable number, because it can be changed into a prime (1213103222237) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12378604260 + ... + 12378604357.

It is an arithmetic number, because the mean of its divisors is an integer number (235193481871).

Almost surely, 2^{1213103222233} is an apocalyptic number.

It is an amenable number.

1213103222233 is a deficient number, since it is larger than the sum of its proper divisors (198057668993).

1213103222233 is an equidigital number, since it uses as much as digits as its factorization.

1213103222233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24757208631 (or 24757208624 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1213103222233 its reverse (3322223013121), we get a palindrome (4535326235354).

The spelling of 1213103222233 in words is "one trillion, two hundred thirteen billion, one hundred three million, two hundred twenty-two thousand, two hundred thirty-three".