320122012 has 24 divisors (see below), whose sum is σ = 640728704. Its totient is φ = 137091312.

The previous prime is 320122007. The next prime is 320122079. The reversal of 320122012 is 210221023.

It is a junction number, because it is equal to n+sod(n) for n = 320121983 and 320122001.

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, 42043 + ... + 49069.

Almost surely, 2^320122012 is an apocalyptic number.

It is an amenable number.

320122012 is an abundant number, since it is smaller than the sum of its proper divisors (320606692).

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

320122012 is a wasteful number, since it uses less digits than its factorization.

320122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8665 (or 8663 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 320122012 is about 17891.9538340562. The cubic root of 320122012 is about 684.0772999515.

Adding to 320122012 its reverse (210221023), we get a palindrome (530343035).

The spelling of 320122012 in words is "three hundred twenty million, one hundred twenty-two thousand, twelve".