320121012133 has 8 divisors (see below), whose sum is σ = 344751646176. Its totient is φ = 295491226800.

The previous prime is 320121012089. The next prime is 320121012187. The reversal of 320121012133 is 331210121023.

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 320121012133 - 2¹³ = 320121003941 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 320121012133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320121012193) 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, 724338 + ... + 1079308.

It is an arithmetic number, because the mean of its divisors is an integer number (43093955772).

Almost surely, 2^320121012133 is an apocalyptic number.

It is an amenable number.

320121012133 is a deficient number, since it is larger than the sum of its proper divisors (24630634043).

320121012133 is a wasteful number, since it uses less digits than its factorization.

320121012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424355.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320121012133 its reverse (331210121023), we get a palindrome (651331133156).

The spelling of 320121012133 in words is "three hundred twenty billion, one hundred twenty-one million, twelve thousand, one hundred thirty-three".