120809645152 has 48 divisors (see below), whose sum is σ = 274227260832. Its totient is φ = 51317360640.

The previous prime is 120809645147. The next prime is 120809645161. The reversal of 120809645152 is 251546908021.

It is a junction number, because it is equal to n+sod(n) for n = 120809645099 and 120809645108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361099 + ... + 2411722.

It is an arithmetic number, because the mean of its divisors is an integer number (5713067934).

Almost surely, 2^120809645152 is an apocalyptic number.

It is an amenable number.

120809645152 is an abundant number, since it is smaller than the sum of its proper divisors (153417615680).

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

120809645152 is a wasteful number, since it uses less digits than its factorization.

120809645152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4772951 (or 4772943 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 120809645152 in words is "one hundred twenty billion, eight hundred nine million, six hundred forty-five thousand, one hundred fifty-two".