212342022422 has 16 divisors (see below), whose sum is σ = 320831289072. Its totient is φ = 105399740160.

The previous prime is 212342022407. The next prime is 212342022433. The reversal of 212342022422 is 224220243212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212342022391 and 212342022400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82463 + ... + 656874.

It is an arithmetic number, because the mean of its divisors is an integer number (20051955567).

Almost surely, 2^212342022422 is an apocalyptic number.

212342022422 is a deficient number, since it is larger than the sum of its proper divisors (108489266650).

212342022422 is a wasteful number, since it uses less digits than its factorization.

212342022422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740383.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 212342022422 its reverse (224220243212), we get a palindrome (436562265634).

The spelling of 212342022422 in words is "two hundred twelve billion, three hundred forty-two million, twenty-two thousand, four hundred twenty-two".