212000123422 has 4 divisors (see below), whose sum is σ = 318000185136. Its totient is φ = 106000061710.

The previous prime is 212000123393. The next prime is 212000123453. The reversal of 212000123422 is 224321000212.

212000123422 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 self number, because there is not a number n which added to its sum of digits gives 212000123422.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53000030854 + ... + 53000030857.

It is an arithmetic number, because the mean of its divisors is an integer number (79500046284).

Almost surely, 2^212000123422 is an apocalyptic number.

212000123422 is a deficient number, since it is larger than the sum of its proper divisors (106000061714).

212000123422 is a wasteful number, since it uses less digits than its factorization.

212000123422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106000061713.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212000123422 its reverse (224321000212), we get a palindrome (436321123634).

The spelling of 212000123422 in words is "two hundred twelve billion, one hundred twenty-three thousand, four hundred twenty-two".