212213231003 has 4 divisors (see below), whose sum is σ = 212544297528. Its totient is φ = 211882164480.

The previous prime is 212213230997. The next prime is 212213231023. The reversal of 212213231003 is 300132312212.

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 212213231003 - 2⁴ = 212213230987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212213231023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165532301 + ... + 165533582.

It is an arithmetic number, because the mean of its divisors is an integer number (53136074382).

Almost surely, 2^212213231003 is an apocalyptic number.

212213231003 is a deficient number, since it is larger than the sum of its proper divisors (331066525).

212213231003 is an equidigital number, since it uses as much as digits as its factorization.

212213231003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331066524.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212213231003 its reverse (300132312212), we get a palindrome (512345543215).

The spelling of 212213231003 in words is "two hundred twelve billion, two hundred thirteen million, two hundred thirty-one thousand, three".