212144212422 has 48 divisors (see below), whose sum is σ = 460486211328. Its totient is φ = 70585570800.

The previous prime is 212144212411. The next prime is 212144212429. The reversal of 212144212422 is 224212441212.

212144212422 is a `hidden beast` number, since 2 + 1 + 21 + 4 + 4 + 212 + 422 = 666.

212144212422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212144212429) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 25669863 + ... + 25678125.

It is an arithmetic number, because the mean of its divisors is an integer number (9593462736).

Almost surely, 2^212144212422 is an apocalyptic number.

212144212422 is an abundant number, since it is smaller than the sum of its proper divisors (248341998906).

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

212144212422 is a wasteful number, since it uses less digits than its factorization.

212144212422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705 (or 10702 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

Adding to 212144212422 its reverse (224212441212), we get a palindrome (436356653634).

The spelling of 212144212422 in words is "two hundred twelve billion, one hundred forty-four million, two hundred twelve thousand, four hundred twenty-two".