13120221233 has 24 divisors (see below), whose sum is σ = 15849275904. Its totient is φ = 10817755200.

The previous prime is 13120221227. The next prime is 13120221311. The reversal of 13120221233 is 33212202131.

It is not a de Polignac number, because 13120221233 - 2¹⁰ = 13120220209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13120221133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227813 + ... + 279533.

It is an arithmetic number, because the mean of its divisors is an integer number (660386496).

Almost surely, 2^13120221233 is an apocalyptic number.

It is an amenable number.

13120221233 is a deficient number, since it is larger than the sum of its proper divisors (2729054671).

13120221233 is a wasteful number, since it uses less digits than its factorization.

13120221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51933 (or 51926 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13120221233 its reverse (33212202131), we get a palindrome (46332423364).

The spelling of 13120221233 in words is "thirteen billion, one hundred twenty million, two hundred twenty-one thousand, two hundred thirty-three".