212200111223 has 4 divisors (see below), whose sum is σ = 212203987368. Its totient is φ = 212196235080.

The previous prime is 212200111219. The next prime is 212200111243. The reversal of 212200111223 is 322111002212.

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 212200111223 - 2² = 212200111219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200111243) 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, 1854761 + ... + 1965842.

It is an arithmetic number, because the mean of its divisors is an integer number (53050996842).

Almost surely, 2^212200111223 is an apocalyptic number.

212200111223 is a deficient number, since it is larger than the sum of its proper divisors (3876145).

212200111223 is an equidigital number, since it uses as much as digits as its factorization.

212200111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3876144.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212200111223 its reverse (322111002212), we get a palindrome (534311113435).

The spelling of 212200111223 in words is "two hundred twelve billion, two hundred million, one hundred eleven thousand, two hundred twenty-three".