1223021144133 has 24 divisors (see below), whose sum is σ = 1796006459936. Its totient is φ = 801775648800.

The previous prime is 1223021144077. The next prime is 1223021144153. The reversal of 1223021144133 is 3314411203221.

1223021144133 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 0 + 211 + 441 + 3 + 3 = 666.

It is not a de Polignac number, because 1223021144133 - 2⁶ = 1223021144069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223021144097 and 1223021144106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223021144153) 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 23 ways as a sum of consecutive naturals, for example, 1874766 + ... + 2441472.

Almost surely, 2^{1223021144133} is an apocalyptic number.

It is an amenable number.

1223021144133 is a deficient number, since it is larger than the sum of its proper divisors (572985315803).

1223021144133 is a wasteful number, since it uses less digits than its factorization.

1223021144133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570705 (or 570702 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1223021144133 its reverse (3314411203221), we get a palindrome (4537432347354).

The spelling of 1223021144133 in words is "one trillion, two hundred twenty-three billion, twenty-one million, one hundred forty-four thousand, one hundred thirty-three".