232112120321 has 2 divisors, whose sum is σ = 232112120322. Its totient is φ = 232112120320.

The previous prime is 232112120311. The next prime is 232112120323. The reversal of 232112120321 is 123021211232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231803731600 + 308388721 = 481460^2 + 17561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232112120321 is a prime.

It is a super-2 number, since 2×232112120321² (a number of 24 digits) contains 22 as substring.

Together with 232112120323, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 232112120293 and 232112120302.

It is not a weakly prime, because it can be changed into another prime (232112120323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116056060160 + 116056060161.

It is an arithmetic number, because the mean of its divisors is an integer number (116056060161).

Almost surely, 2^232112120321 is an apocalyptic number.

It is an amenable number.

232112120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

232112120321 is an equidigital number, since it uses as much as digits as its factorization.

232112120321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 232112120321 its reverse (123021211232), we get a palindrome (355133331553).

The spelling of 232112120321 in words is "two hundred thirty-two billion, one hundred twelve million, one hundred twenty thousand, three hundred twenty-one".