300400320112 has 20 divisors (see below), whose sum is σ = 602095470120. Its totient is φ = 145020843968.

The previous prime is 300400320041. The next prime is 300400320113. The reversal of 300400320112 is 211023004003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300400320113) 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 3 ways as a sum of consecutive naturals, for example, 323706778 + ... + 323707705.

It is an arithmetic number, because the mean of its divisors is an integer number (30104773506).

Almost surely, 2^300400320112 is an apocalyptic number.

It is an amenable number.

300400320112 is an abundant number, since it is smaller than the sum of its proper divisors (301695150008).

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

300400320112 is a wasteful number, since it uses less digits than its factorization.

300400320112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647414520 (or 647414514 counting only the distinct ones).

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

Adding to 300400320112 its reverse (211023004003), we get a palindrome (511423324115).

The spelling of 300400320112 in words is "three hundred billion, four hundred million, three hundred twenty thousand, one hundred twelve".