320130120322120 has 128 divisors (see below), whose sum is σ = 788977364198400. Its totient is φ = 116361410457600.

The previous prime is 320130120322057. The next prime is 320130120322121. The reversal of 320130120322120 is 21223021031023.

It is a super-2 number, since 2×320130120322120² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320130120322091 and 320130120322100.

It is not an unprimeable number, because it can be changed into a prime (320130120322121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1226276005 + ... + 1226537035.

It is an arithmetic number, because the mean of its divisors is an integer number (6163885657800).

Almost surely, 2^{320130120322120} is an apocalyptic number.

It is an amenable number.

320130120322120 is an abundant number, since it is smaller than the sum of its proper divisors (468847243876280).

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

320130120322120 is a wasteful number, since it uses less digits than its factorization.

320130120322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323279 (or 323275 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320130120322120 its reverse (21223021031023), we get a palindrome (341353141353143).

The spelling of 320130120322120 in words is "three hundred twenty trillion, one hundred thirty billion, one hundred twenty million, three hundred twenty-two thousand, one hundred twenty".