321214212431201 has 4 divisors (see below), whose sum is σ = 321249229797012. Its totient is φ = 321179195065392.

The previous prime is 321214212431197. The next prime is 321214212431213. The reversal of 321214212431201 is 102134212412123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147207747726400 + 174006464704801 = 12132920^2 + 13191151^2 .

It is a cyclic number.

It is not a de Polignac number, because 321214212431201 - 2² = 321214212431197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321214212431251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17508669146 + ... + 17508687491.

It is an arithmetic number, because the mean of its divisors is an integer number (80312307449253).

Almost surely, 2^{321214212431201} is an apocalyptic number.

It is an amenable number.

321214212431201 is a deficient number, since it is larger than the sum of its proper divisors (35017365811).

321214212431201 is an equidigital number, since it uses as much as digits as its factorization.

321214212431201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35017365810.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 321214212431201 its reverse (102134212412123), we get a palindrome (423348424843324).

The spelling of 321214212431201 in words is "three hundred twenty-one trillion, two hundred fourteen billion, two hundred twelve million, four hundred thirty-one thousand, two hundred one".