13120032109 has 2 divisors, whose sum is σ = 13120032110. Its totient is φ = 13120032108.

The previous prime is 13120032097. The next prime is 13120032137. The reversal of 13120032109 is 90123002131.

13120032109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13079353225 + 40678884 = 114365^2 + 6378^2 .

It is a cyclic number.

It is not a de Polignac number, because 13120032109 - 2¹⁵ = 13119999341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13120032109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13120032139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560016054 + 6560016055.

It is an arithmetic number, because the mean of its divisors is an integer number (6560016055).

Almost surely, 2^13120032109 is an apocalyptic number.

It is an amenable number.

13120032109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13120032109 is an equidigital number, since it uses as much as digits as its factorization.

13120032109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 13120032109 in words is "thirteen billion, one hundred twenty million, thirty-two thousand, one hundred nine".