323202012132121 has 2 divisors, whose sum is σ = 323202012132122. Its totient is φ = 323202012132120.

The previous prime is 323202012132113. The next prime is 323202012132179. The reversal of 323202012132121 is 121231210202323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314784383402896 + 8417628729225 = 17742164^2 + 2901315^2 .

It is a cyclic number.

It is not a de Polignac number, because 323202012132121 - 2³ = 323202012132113 is a prime.

It is not a weakly prime, because it can be changed into another prime (323202012102121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161601006066060 + 161601006066061.

It is an arithmetic number, because the mean of its divisors is an integer number (161601006066061).

Almost surely, 2^{323202012132121} is an apocalyptic number.

It is an amenable number.

323202012132121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323202012132121 is an equidigital number, since it uses as much as digits as its factorization.

323202012132121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323202012132121 its reverse (121231210202323), we get a palindrome (444433222334444).

The spelling of 323202012132121 in words is "three hundred twenty-three trillion, two hundred two billion, twelve million, one hundred thirty-two thousand, one hundred twenty-one".