320200200121 has 8 divisors (see below), whose sum is σ = 324720793280. Its totient is φ = 315706758192.

The previous prime is 320200200037. The next prime is 320200200137. The reversal of 320200200121 is 121002002023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320200200121 - 2³¹ = 318052716473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320200200161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6764055 + ... + 6811228.

It is an arithmetic number, because the mean of its divisors is an integer number (40590099160).

Almost surely, 2^320200200121 is an apocalyptic number.

It is an amenable number.

320200200121 is a deficient number, since it is larger than the sum of its proper divisors (4520593159).

320200200121 is a wasteful number, since it uses less digits than its factorization.

320200200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575615.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 320200200121 its reverse (121002002023), we get a palindrome (441202202144).

The spelling of 320200200121 in words is "three hundred twenty billion, two hundred million, two hundred thousand, one hundred twenty-one".