321343212001 has 4 divisors (see below), whose sum is σ = 367249385152. Its totient is φ = 275437038852.

The previous prime is 321343211947. The next prime is 321343212019. The reversal of 321343212001 is 100212343123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321343212001 - 2⁹ = 321343211489 is a prime.

It is a super-2 number, since 2×321343212001² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321343212031) 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 in 3 ways as a sum of consecutive naturals, for example, 22953086565 + ... + 22953086578.

It is an arithmetic number, because the mean of its divisors is an integer number (91812346288).

Almost surely, 2^321343212001 is an apocalyptic number.

It is an amenable number.

321343212001 is a deficient number, since it is larger than the sum of its proper divisors (45906173151).

321343212001 is an equidigital number, since it uses as much as digits as its factorization.

321343212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45906173150.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 321343212001 its reverse (100212343123), we get a palindrome (421555555124).

The spelling of 321343212001 in words is "three hundred twenty-one billion, three hundred forty-three million, two hundred twelve thousand, one".