212406025422 has 8 divisors (see below), whose sum is σ = 424812050856. Its totient is φ = 70802008472.

The previous prime is 212406025417. The next prime is 212406025427. The reversal of 212406025422 is 224520604212.

It is an interprime number because it is at equal distance from previous prime (212406025417) and next prime (212406025427).

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

212406025422 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 212406025422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212406025427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17700502113 + ... + 17700502124.

It is an arithmetic number, because the mean of its divisors is an integer number (53101506357).

Almost surely, 2^212406025422 is an apocalyptic number.

212406025422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212406025422 is a wasteful number, since it uses less digits than its factorization.

212406025422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35401004242.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 212406025422 its reverse (224520604212), we get a palindrome (436926629634).

The spelling of 212406025422 in words is "two hundred twelve billion, four hundred six million, twenty-five thousand, four hundred twenty-two".