1223033021133 has 128 divisors (see below), whose sum is σ = 2167788994560. Its totient is φ = 594151200000.

The previous prime is 1223033021083. The next prime is 1223033021143. The reversal of 1223033021133 is 3311203303221.

It is not a de Polignac number, because 1223033021133 - 2⁹ = 1223033020621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223033021143) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 153817308 + ... + 153825258.

It is an arithmetic number, because the mean of its divisors is an integer number (16935851520).

Almost surely, 2^{1223033021133} is an apocalyptic number.

It is an amenable number.

1223033021133 is a deficient number, since it is larger than the sum of its proper divisors (944755973427).

1223033021133 is a wasteful number, since it uses less digits than its factorization.

1223033021133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1223033021133 its reverse (3311203303221), we get a palindrome (4534236324354).

The spelling of 1223033021133 in words is "one trillion, two hundred twenty-three billion, thirty-three million, twenty-one thousand, one hundred thirty-three".