32120122009 has 2 divisors, whose sum is σ = 32120122010. Its totient is φ = 32120122008.

The previous prime is 32120122007. The next prime is 32120122037. The reversal of 32120122009 is 90022102123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22341878784 + 9778243225 = 149472^2 + 98885^2 .

It is a cyclic number.

It is not a de Polignac number, because 32120122009 - 2¹ = 32120122007 is a prime.

Together with 32120122007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32120122007) 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, 16060061004 + 16060061005.

It is an arithmetic number, because the mean of its divisors is an integer number (16060061005).

Almost surely, 2^32120122009 is an apocalyptic number.

It is an amenable number.

32120122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

32120122009 is an equidigital number, since it uses as much as digits as its factorization.

32120122009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 32120122009 in words is "thirty-two billion, one hundred twenty million, one hundred twenty-two thousand, nine".