222210212123 has 4 divisors (see below), whose sum is σ = 222322839648. Its totient is φ = 222097584600.

The previous prime is 222210212117. The next prime is 222210212149. The reversal of 222210212123 is 321212012222.

222210212123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 222210212123 - 2¹² = 222210208027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222210212095 and 222210212104.

It is not an unprimeable number, because it can be changed into a prime (222210212153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56310803 + ... + 56314748.

It is an arithmetic number, because the mean of its divisors is an integer number (55580709912).

Almost surely, 2^222210212123 is an apocalyptic number.

222210212123 is a deficient number, since it is larger than the sum of its proper divisors (112627525).

222210212123 is a wasteful number, since it uses less digits than its factorization.

222210212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112627524.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222210212123 its reverse (321212012222), we get a palindrome (543422224345).

The spelling of 222210212123 in words is "two hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-three".