120784870548321 has 24 divisors (see below), whose sum is σ = 193799792301120. Its totient is φ = 66639928576032.

The previous prime is 120784870548317. The next prime is 120784870548479. The reversal of 120784870548321 is 123845078487021.

It is not a de Polignac number, because 120784870548321 - 2² = 120784870548317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120784870543321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14166647221 + ... + 14166655746.

It is an arithmetic number, because the mean of its divisors is an integer number (8074991345880).

Almost surely, 2^{120784870548321} is an apocalyptic number.

It is an amenable number.

120784870548321 is a deficient number, since it is larger than the sum of its proper divisors (73014921752799).

120784870548321 is a wasteful number, since it uses less digits than its factorization.

120784870548321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333303013 (or 28333303006 counting only the distinct ones).

The product of its (nonzero) digits is 24084480, while the sum is 60.

The spelling of 120784870548321 in words is "one hundred twenty trillion, seven hundred eighty-four billion, eight hundred seventy million, five hundred forty-eight thousand, three hundred twenty-one".