320122212120 has 192 divisors, whose sum is σ = 1159576236000. Its totient is φ = 76115718144.

The previous prime is 320122212119. The next prime is 320122212143. The reversal of 320122212120 is 21212221023.

320122212120 is a `hidden beast` number, since 320 + 1 + 2 + 221 + 2 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320122212093 and 320122212102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1260235 + ... + 1492794.

Almost surely, 2^320122212120 is an apocalyptic number.

320122212120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320122212120 is an abundant number, since it is smaller than the sum of its proper divisors (839454023880).

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

320122212120 is a wasteful number, since it uses less digits than its factorization.

320122212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753082 (or 2753075 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 320122212120 its reverse (21212221023), we get a palindrome (341334433143).

The spelling of 320122212120 in words is "three hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty".