320012133 has 16 divisors (see below), whose sum is σ = 508839936. Its totient is φ = 174913200.

The previous prime is 320012111. The next prime is 320012141. The reversal of 320012133 is 331210023.

It is not a de Polignac number, because 320012133 - 2¹² = 320008037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320012153) 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 15 ways as a sum of consecutive naturals, for example, 330793 + ... + 331758.

It is an arithmetic number, because the mean of its divisors is an integer number (31802496).

Almost surely, 2^320012133 is an apocalyptic number.

It is an amenable number.

320012133 is a deficient number, since it is larger than the sum of its proper divisors (188827803).

320012133 is a wasteful number, since it uses less digits than its factorization.

320012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662584.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 320012133 is about 17888.8829444435. The cubic root of 320012133 is about 683.9990232023. Note that the first 3 decimals are identical.

Adding to 320012133 its reverse (331210023), we get a palindrome (651222156).

The spelling of 320012133 in words is "three hundred twenty million, twelve thousand, one hundred thirty-three".