212223219998 has 4 divisors (see below), whose sum is σ = 318334830000. Its totient is φ = 106111609998.

The previous prime is 212223219997. The next prime is 212223220051. The reversal of 212223219998 is 899912322212.

It is a happy number.

212223219998 is digitally balanced in base 3, 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (212223219997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53055804998 + ... + 53055805001.

It is an arithmetic number, because the mean of its divisors is an integer number (79583707500).

Almost surely, 2^212223219998 is an apocalyptic number.

212223219998 is a deficient number, since it is larger than the sum of its proper divisors (106111610002).

212223219998 is a wasteful number, since it uses less digits than its factorization.

212223219998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106111610001.

The product of its digits is 559872, while the sum is 50.

The spelling of 212223219998 in words is "two hundred twelve billion, two hundred twenty-three million, two hundred nineteen thousand, nine hundred ninety-eight".