320134012 has 12 divisors (see below), whose sum is σ = 611165016. Its totient is φ = 145515440.

The previous prime is 320133977. The next prime is 320134013. The reversal of 320134012 is 210431023.

It is a happy number.

It is a super-2 number, since 2×320134012² = 204971571278432288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320134013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3637843 + ... + 3637930.

It is an arithmetic number, because the mean of its divisors is an integer number (50930418).

Almost surely, 2^320134012 is an apocalyptic number.

It is an amenable number.

320134012 is a deficient number, since it is larger than the sum of its proper divisors (291031004).

320134012 is a wasteful number, since it uses less digits than its factorization.

320134012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275788 (or 7275786 counting only the distinct ones).

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

The square root of 320134012 is about 17892.2891771847. The cubic root of 320134012 is about 684.0858475518.

Adding to 320134012 its reverse (210431023), we get a palindrome (530565035).

The spelling of 320134012 in words is "three hundred twenty million, one hundred thirty-four thousand, twelve".