32212320209 has 2 divisors, whose sum is σ = 32212320210. Its totient is φ = 32212320208.

The previous prime is 32212320197. The next prime is 32212320223. The reversal of 32212320209 is 90202321223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29437980625 + 2774339584 = 171575^2 + 52672^2 .

It is a cyclic number.

It is not a de Polignac number, because 32212320209 - 2¹⁶ = 32212254673 is a prime.

It is not a weakly prime, because it can be changed into another prime (32212320269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106160104 + 16106160105.

It is an arithmetic number, because the mean of its divisors is an integer number (16106160105).

Almost surely, 2^32212320209 is an apocalyptic number.

It is an amenable number.

32212320209 is a deficient number, since it is larger than the sum of its proper divisors (1).

32212320209 is an equidigital number, since it uses as much as digits as its factorization.

32212320209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 32212320209 in words is "thirty-two billion, two hundred twelve million, three hundred twenty thousand, two hundred nine".