321200312201 has 4 divisors (see below), whose sum is σ = 321202736400. Its totient is φ = 321197888004.

The previous prime is 321200312161. The next prime is 321200312219. The reversal of 321200312201 is 102213002123.

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 321200312201 - 2¹⁰ = 321200311177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321200312201.

It is not an unprimeable number, because it can be changed into a prime (321200312231) 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, 1001111 + ... + 1282428.

It is an arithmetic number, because the mean of its divisors is an integer number (80300684100).

Almost surely, 2^321200312201 is an apocalyptic number.

It is an amenable number.

321200312201 is a deficient number, since it is larger than the sum of its proper divisors (2424199).

321200312201 is a wasteful number, since it uses less digits than its factorization.

321200312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424198.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 321200312201 its reverse (102213002123), we get a palindrome (423413314324).

The spelling of 321200312201 in words is "three hundred twenty-one billion, two hundred million, three hundred twelve thousand, two hundred one".