32145012217 has 2 divisors, whose sum is σ = 32145012218. Its totient is φ = 32145012216.

The previous prime is 32145012199. The next prime is 32145012223. The reversal of 32145012217 is 71221054123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31925112976 + 219899241 = 178676^2 + 14829^2 .

It is a cyclic number.

It is not a de Polignac number, because 32145012217 - 2⁷ = 32145012089 is a prime.

It is not a weakly prime, because it can be changed into another prime (32145012287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072506108 + 16072506109.

It is an arithmetic number, because the mean of its divisors is an integer number (16072506109).

Almost surely, 2^32145012217 is an apocalyptic number.

It is an amenable number.

32145012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

32145012217 is an equidigital number, since it uses as much as digits as its factorization.

32145012217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 32145012217 in words is "thirty-two billion, one hundred forty-five million, twelve thousand, two hundred seventeen".