212220110223 has 12 divisors (see below), whose sum is σ = 334407446568. Its totient is φ = 128618248560.

The previous prime is 212220110149. The next prime is 212220110251. The reversal of 212220110223 is 322011022212.

212220110223 is a `hidden beast` number, since 212 + 220 + 1 + 10 + 223 = 666.

It is not a de Polignac number, because 212220110223 - 2⁹ = 212220109711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212220110196 and 212220110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220110423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1071818640 + ... + 1071818837.

It is an arithmetic number, because the mean of its divisors is an integer number (27867287214).

Almost surely, 2^212220110223 is an apocalyptic number.

212220110223 is a deficient number, since it is larger than the sum of its proper divisors (122187336345).

212220110223 is a wasteful number, since it uses less digits than its factorization.

212220110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143637494 (or 2143637491 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212220110223 its reverse (322011022212), we get a palindrome (534231132435).

The spelling of 212220110223 in words is "two hundred twelve billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-three".