212130323003 has 4 divisors (see below), whose sum is σ = 212150580720. Its totient is φ = 212110065288.

The previous prime is 212130322993. The next prime is 212130323023. The reversal of 212130323003 is 300323031212.

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 212130323003 - 2¹⁰ = 212130321979 is a prime.

It is a super-2 number, since 2×212130323003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212130323023) 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, 10113143 + ... + 10134096.

It is an arithmetic number, because the mean of its divisors is an integer number (53037645180).

Almost surely, 2^212130323003 is an apocalyptic number.

212130323003 is a deficient number, since it is larger than the sum of its proper divisors (20257717).

212130323003 is a wasteful number, since it uses less digits than its factorization.

212130323003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20257716.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 212130323003 its reverse (300323031212), we get a palindrome (512453354215).

The spelling of 212130323003 in words is "two hundred twelve billion, one hundred thirty million, three hundred twenty-three thousand, three".