1012320322 has 32 divisors (see below), whose sum is σ = 1649958912. Its totient is φ = 463057344.

The previous prime is 1012320317. The next prime is 1012320329. The reversal of 1012320322 is 2230232101.

It is a junction number, because it is equal to n+sod(n) for n = 1012320296 and 1012320305.

It is not an unprimeable number, because it can be changed into a prime (1012320329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2642943 + ... + 2643325.

It is an arithmetic number, because the mean of its divisors is an integer number (51561216).

Almost surely, 2^1012320322 is an apocalyptic number.

1012320322 is a deficient number, since it is larger than the sum of its proper divisors (637638590).

1012320322 is a wasteful number, since it uses less digits than its factorization.

1012320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1012320322 is about 31816.9816607421. The cubic root of 1012320322 is about 1004.0900229063.

Adding to 1012320322 its reverse (2230232101), we get a palindrome (3242552423).

The spelling of 1012320322 in words is "one billion, twelve million, three hundred twenty thousand, three hundred twenty-two".