32130011201221 has 2 divisors, whose sum is σ = 32130011201222. Its totient is φ = 32130011201220.

The previous prime is 32130011201207. The next prime is 32130011201279. The reversal of 32130011201221 is 12210211003123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26256513540321 + 5873497660900 = 5124111^2 + 2423530^2 .

It is a cyclic number.

It is not a de Polignac number, because 32130011201221 - 2²³ = 32130002812613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32130011207221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16065005600610 + 16065005600611.

It is an arithmetic number, because the mean of its divisors is an integer number (16065005600611).

Almost surely, 2^{32130011201221} is an apocalyptic number.

It is an amenable number.

32130011201221 is a deficient number, since it is larger than the sum of its proper divisors (1).

32130011201221 is an equidigital number, since it uses as much as digits as its factorization.

32130011201221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 32130011201221 its reverse (12210211003123), we get a palindrome (44340222204344).

The spelling of 32130011201221 in words is "thirty-two trillion, one hundred thirty billion, eleven million, two hundred one thousand, two hundred twenty-one".