320100420312 has 96 divisors (see below), whose sum is σ = 896978955600. Its totient is φ = 103004068608.

The previous prime is 320100420281. The next prime is 320100420319. The reversal of 320100420312 is 213024001023.

320100420312 is a `hidden beast` number, since 320 + 10 + 0 + 4 + 20 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320100420319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22967298 + ... + 22981230.

Almost surely, 2^320100420312 is an apocalyptic number.

It is an amenable number.

320100420312 is an abundant number, since it is smaller than the sum of its proper divisors (576878535288).

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

320100420312 is a wasteful number, since it uses less digits than its factorization.

320100420312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24977 (or 24970 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 320100420312 its reverse (213024001023), we get a palindrome (533124421335).

The spelling of 320100420312 in words is "three hundred twenty billion, one hundred million, four hundred twenty thousand, three hundred twelve".