32212213200221 has 2 divisors, whose sum is σ = 32212213200222. Its totient is φ = 32212213200220.

The previous prime is 32212213200197. The next prime is 32212213200229. The reversal of 32212213200221 is 12200231221223.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22161601327321 + 10050611872900 = 4707611^2 + 3170270^2 .

It is an emirp because it is prime and its reverse (12200231221223) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32212213200221 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32212213200229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106106600110 + 16106106600111.

It is an arithmetic number, because the mean of its divisors is an integer number (16106106600111).

Almost surely, 2^{32212213200221} is an apocalyptic number.

It is an amenable number.

32212213200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32212213200221 is an equidigital number, since it uses as much as digits as its factorization.

32212213200221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 32212213200221 its reverse (12200231221223), we get a palindrome (44412444421444).

The spelling of 32212213200221 in words is "thirty-two trillion, two hundred twelve billion, two hundred thirteen million, two hundred thousand, two hundred twenty-one".