212202220223 has 8 divisors (see below), whose sum is σ = 242523179040. Its totient is φ = 181882850400.

The previous prime is 212202220213. The next prime is 212202220253. The reversal of 212202220223 is 322022202212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212202220223 - 2⁴ = 212202220207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212202220195 and 212202220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202220213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95828 + ... + 658473.

It is an arithmetic number, because the mean of its divisors is an integer number (30315397380).

Almost surely, 2^212202220223 is an apocalyptic number.

212202220223 is a deficient number, since it is larger than the sum of its proper divisors (30320958817).

212202220223 is an equidigital number, since it uses as much as digits as its factorization.

212202220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794497.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212202220223 its reverse (322022202212), we get a palindrome (534224422435).

The spelling of 212202220223 in words is "two hundred twelve billion, two hundred two million, two hundred twenty thousand, two hundred twenty-three".