212112120422 has 8 divisors (see below), whose sum is σ = 320303538000. Its totient is φ = 105344274424.

The previous prime is 212112120397. The next prime is 212112120449. The reversal of 212112120422 is 224021211212.

It is a happy number.

212112120422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212112120394 and 212112120403.

It is a congruent number.

It is an unprimeable number.

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, 355892522 + ... + 355893117.

It is an arithmetic number, because the mean of its divisors is an integer number (40037942250).

Almost surely, 2^212112120422 is an apocalyptic number.

212112120422 is a deficient number, since it is larger than the sum of its proper divisors (108191417578).

212112120422 is a wasteful number, since it uses less digits than its factorization.

212112120422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711785790.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212112120422 its reverse (224021211212), we get a palindrome (436133331634).

The spelling of 212112120422 in words is "two hundred twelve billion, one hundred twelve million, one hundred twenty thousand, four hundred twenty-two".