212130000323 has 4 divisors (see below), whose sum is σ = 212408752728. Its totient is φ = 211851247920.

The previous prime is 212130000319. The next prime is 212130000337. The reversal of 212130000323 is 323000031212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212130000323 - 2² = 212130000319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212130000923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139375061 + ... + 139376582.

It is an arithmetic number, because the mean of its divisors is an integer number (53102188182).

Almost surely, 2^212130000323 is an apocalyptic number.

212130000323 is a deficient number, since it is larger than the sum of its proper divisors (278752405).

212130000323 is an equidigital number, since it uses as much as digits as its factorization.

212130000323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278752404.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 212130000323 its reverse (323000031212), we get a palindrome (535130031535).

The spelling of 212130000323 in words is "two hundred twelve billion, one hundred thirty million, three hundred twenty-three", and thus it is an aban number.