32212012302221 has 2 divisors, whose sum is σ = 32212012302222. Its totient is φ = 32212012302220.

The previous prime is 32212012302137. The next prime is 32212012302259. The reversal of 32212012302221 is 12220321021223.

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., 23867973456196 + 8344038846025 = 4885486^2 + 2888605^2 .

It is a cyclic number.

It is not a de Polignac number, because 32212012302221 - 2³⁰ = 32210938560397 is a prime.

It is a super-2 number, since 2×32212012302221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32212012302521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16106006151110 + 16106006151111.

It is an arithmetic number, because the mean of its divisors is an integer number (16106006151111).

Almost surely, 2^{32212012302221} is an apocalyptic number.

It is an amenable number.

32212012302221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32212012302221 is an equidigital number, since it uses as much as digits as its factorization.

32212012302221 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 32212012302221 its reverse (12220321021223), we get a palindrome (44432333323444).

The spelling of 32212012302221 in words is "thirty-two trillion, two hundred twelve billion, twelve million, three hundred two thousand, two hundred twenty-one".