1223311213333 has 16 divisors (see below), whose sum is σ = 1377630996480. Its totient is φ = 1076179532400.

The previous prime is 1223311213321. The next prime is 1223311213343. The reversal of 1223311213333 is 3333121133221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1223311213333 - 2¹³ = 1223311205141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223311213343) 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 15 ways as a sum of consecutive naturals, for example, 9325666 + ... + 9455932.

It is an arithmetic number, because the mean of its divisors is an integer number (86101937280).

Almost surely, 2^{1223311213333} is an apocalyptic number.

It is an amenable number.

1223311213333 is a deficient number, since it is larger than the sum of its proper divisors (154319783147).

1223311213333 is a wasteful number, since it uses less digits than its factorization.

1223311213333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157848.

The product of its digits is 5832, while the sum is 28.

Adding to 1223311213333 its reverse (3333121133221), we get a palindrome (4556432346554).

The spelling of 1223311213333 in words is "one trillion, two hundred twenty-three billion, three hundred eleven million, two hundred thirteen thousand, three hundred thirty-three".