212002222223 has 4 divisors (see below), whose sum is σ = 231275151528. Its totient is φ = 192729292920.

The previous prime is 212002222121. The next prime is 212002222231. The reversal of 212002222223 is 322222200212.

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 212002222223 - 2³² = 207707254927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212002222195 and 212002222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212002222723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9636464636 + ... + 9636464657.

It is an arithmetic number, because the mean of its divisors is an integer number (57818787882).

Almost surely, 2^212002222223 is an apocalyptic number.

212002222223 is a deficient number, since it is larger than the sum of its proper divisors (19272929305).

212002222223 is a wasteful number, since it uses less digits than its factorization.

212002222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19272929304.

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

Adding to 212002222223 its reverse (322222200212), we get a palindrome (534224422435).

The spelling of 212002222223 in words is "two hundred twelve billion, two million, two hundred twenty-two thousand, two hundred twenty-three".