320302120200121 has 8 divisors (see below), whose sum is σ = 323241544042560. Its totient is φ = 317362712217552.

The previous prime is 320302120200119. The next prime is 320302120200143. The reversal of 320302120200121 is 121002021203023.

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 320302120200121 - 2¹ = 320302120200119 is a prime.

It is a super-2 number, since 2×320302120200121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320302120201121) 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, 38709756 + ... + 46249858.

It is an arithmetic number, because the mean of its divisors is an integer number (40405193005320).

Almost surely, 2^{320302120200121} is an apocalyptic number.

It is an amenable number.

320302120200121 is a deficient number, since it is larger than the sum of its proper divisors (2939423842439).

320302120200121 is a wasteful number, since it uses less digits than its factorization.

320302120200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7929935.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320302120200121 its reverse (121002021203023), we get a palindrome (441304141403144).

The spelling of 320302120200121 in words is "three hundred twenty trillion, three hundred two billion, one hundred twenty million, two hundred thousand, one hundred twenty-one".