32121149209 has 2 divisors, whose sum is σ = 32121149210. Its totient is φ = 32121149208.

The previous prime is 32121149197. The next prime is 32121149251. The reversal of 32121149209 is 90294112123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30569025600 + 1552123609 = 174840^2 + 39397^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121149209 - 2²⁷ = 31986931481 is a prime.

It is not a weakly prime, because it can be changed into another prime (32121149279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060574604 + 16060574605.

It is an arithmetic number, because the mean of its divisors is an integer number (16060574605).

Almost surely, 2^32121149209 is an apocalyptic number.

It is an amenable number.

32121149209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121149209 is an equidigital number, since it uses as much as digits as its factorization.

32121149209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 32121149209 in words is "thirty-two billion, one hundred twenty-one million, one hundred forty-nine thousand, two hundred nine".