32212133221 has 2 divisors, whose sum is σ = 32212133222. Its totient is φ = 32212133220.

The previous prime is 32212133179. The next prime is 32212133249. The reversal of 32212133221 is 12233121223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27880650625 + 4331482596 = 166975^2 + 65814^2 .

It is a cyclic number.

It is not a de Polignac number, because 32212133221 - 2²⁹ = 31675262309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32212133192 and 32212133201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32212133251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106066610 + 16106066611.

It is an arithmetic number, because the mean of its divisors is an integer number (16106066611).

Almost surely, 2^32212133221 is an apocalyptic number.

It is an amenable number.

32212133221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32212133221 is an equidigital number, since it uses as much as digits as its factorization.

32212133221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 22.

Adding to 32212133221 its reverse (12233121223), we get a palindrome (44445254444).

The spelling of 32212133221 in words is "thirty-two billion, two hundred twelve million, one hundred thirty-three thousand, two hundred twenty-one".