120320233021128 has 32 divisors (see below), whose sum is σ = 343772094346560. Its totient is φ = 34377209434560.

The previous prime is 120320233021091. The next prime is 120320233021129. The reversal of 120320233021128 is 821120332023021.

It is a junction number, because it is equal to n+sod(n) for n = 120320233021095 and 120320233021104.

It is not an unprimeable number, because it can be changed into a prime (120320233021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358095931443 + ... + 358095931778.

It is an arithmetic number, because the mean of its divisors is an integer number (10742877948330).

Almost surely, 2^{120320233021128} is an apocalyptic number.

It is an amenable number.

120320233021128 is an abundant number, since it is smaller than the sum of its proper divisors (223451861325432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120320233021128 is a wasteful number, since it uses less digits than its factorization.

120320233021128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716191863237 (or 716191863233 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 120320233021128 its reverse (821120332023021), we get a palindrome (941440565044149).

The spelling of 120320233021128 in words is "one hundred twenty trillion, three hundred twenty billion, two hundred thirty-three million, twenty-one thousand, one hundred twenty-eight".