320212130 has 64 divisors (see below), whose sum is σ = 703365120. Its totient is φ = 102513600.

The previous prime is 320212127. The next prime is 320212157. The reversal of 320212130 is 31212023.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92735 + ... + 96125.

It is an arithmetic number, because the mean of its divisors is an integer number (10990080).

Almost surely, 2^320212130 is an apocalyptic number.

320212130 is an abundant number, since it is smaller than the sum of its proper divisors (383152990).

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

320212130 is a wasteful number, since it uses less digits than its factorization.

320212130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320212130 is about 17894.4720514465. The cubic root of 320212130 is about 684.1414857846.

Adding to 320212130 its reverse (31212023), we get a palindrome (351424153).

The spelling of 320212130 in words is "three hundred twenty million, two hundred twelve thousand, one hundred thirty".