321204131210029 has 2 divisors, whose sum is σ = 321204131210030. Its totient is φ = 321204131210028.

The previous prime is 321204131209993. The next prime is 321204131210033. The reversal of 321204131210029 is 920012131402123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320440251714025 + 763879496004 = 17900845^2 + 874002^2 .

It is a cyclic number.

It is not a de Polignac number, because 321204131210029 - 2⁷ = 321204131209901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321204131210099) 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, 160602065605014 + 160602065605015.

It is an arithmetic number, because the mean of its divisors is an integer number (160602065605015).

Almost surely, 2^{321204131210029} is an apocalyptic number.

It is an amenable number.

321204131210029 is a deficient number, since it is larger than the sum of its proper divisors (1).

321204131210029 is an equidigital number, since it uses as much as digits as its factorization.

321204131210029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 321204131210029 in words is "three hundred twenty-one trillion, two hundred four billion, one hundred thirty-one million, two hundred ten thousand, twenty-nine".