212223311223 has 48 divisors (see below), whose sum is σ = 356843639040. Its totient is φ = 109816565760.

The previous prime is 212223311219. The next prime is 212223311317. The reversal of 212223311223 is 322113322212.

It is not a de Polignac number, because 212223311223 - 2² = 212223311219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212223311193 and 212223311202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223311123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 490548 + ... + 815526.

It is an arithmetic number, because the mean of its divisors is an integer number (7434242480).

Almost surely, 2^212223311223 is an apocalyptic number.

212223311223 is a deficient number, since it is larger than the sum of its proper divisors (144620327817).

212223311223 is a wasteful number, since it uses less digits than its factorization.

212223311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325268 (or 325257 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

Adding to 212223311223 its reverse (322113322212), we get a palindrome (534336633435).

The spelling of 212223311223 in words is "two hundred twelve billion, two hundred twenty-three million, three hundred eleven thousand, two hundred twenty-three".