232232012312221 has 2 divisors, whose sum is σ = 232232012312222. Its totient is φ = 232232012312220.

The previous prime is 232232012312191. The next prime is 232232012312263. The reversal of 232232012312221 is 122213210232232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122733472448196 + 109498539864025 = 11078514^2 + 10464155^2 .

It is a cyclic number.

It is not a de Polignac number, because 232232012312221 - 2¹¹ = 232232012310173 is a prime.

It is a super-2 number, since 2×232232012312221² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 232232012312221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232232012312021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116116006156110 + 116116006156111.

It is an arithmetic number, because the mean of its divisors is an integer number (116116006156111).

Almost surely, 2^{232232012312221} is an apocalyptic number.

It is an amenable number.

232232012312221 is a deficient number, since it is larger than the sum of its proper divisors (1).

232232012312221 is an equidigital number, since it uses as much as digits as its factorization.

232232012312221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 232232012312221 its reverse (122213210232232), we get a palindrome (354445222544453).

The spelling of 232232012312221 in words is "two hundred thirty-two trillion, two hundred thirty-two billion, twelve million, three hundred twelve thousand, two hundred twenty-one".