13233221129 has 2 divisors, whose sum is σ = 13233221130. Its totient is φ = 13233221128.

The previous prime is 13233221123. The next prime is 13233221153. The reversal of 13233221129 is 92112233231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10069721104 + 3163500025 = 100348^2 + 56245^2 .

It is an emirp because it is prime and its reverse (92112233231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13233221129 - 2³² = 8938253833 is a prime.

It is not a weakly prime, because it can be changed into another prime (13233221123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616610564 + 6616610565.

It is an arithmetic number, because the mean of its divisors is an integer number (6616610565).

Almost surely, 2^13233221129 is an apocalyptic number.

It is an amenable number.

13233221129 is a deficient number, since it is larger than the sum of its proper divisors (1).

13233221129 is an equidigital number, since it uses as much as digits as its factorization.

13233221129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The spelling of 13233221129 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty-one thousand, one hundred twenty-nine".