32213231209 has 2 divisors, whose sum is σ = 32213231210. Its totient is φ = 32213231208.

The previous prime is 32213231203. The next prime is 32213231231. The reversal of 32213231209 is 90213231223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20101568400 + 12111662809 = 141780^2 + 110053^2 .

It is a cyclic number.

It is not a de Polignac number, because 32213231209 - 2²¹ = 32211134057 is a prime.

It is not a weakly prime, because it can be changed into another prime (32213231203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106615604 + 16106615605.

It is an arithmetic number, because the mean of its divisors is an integer number (16106615605).

Almost surely, 2^32213231209 is an apocalyptic number.

It is an amenable number.

32213231209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32213231209 is an equidigital number, since it uses as much as digits as its factorization.

32213231209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 32213231209 in words is "thirty-two billion, two hundred thirteen million, two hundred thirty-one thousand, two hundred nine".