212222424412 has 12 divisors (see below), whose sum is σ = 371603559096. Its totient is φ = 106049978960.

The previous prime is 212222424397. The next prime is 212222424419. The reversal of 212222424412 is 214424222212.

212222424412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222424419) 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 3 ways as a sum of consecutive naturals, for example, 15300514 + ... + 15314377.

It is an arithmetic number, because the mean of its divisors is an integer number (30966963258).

Almost surely, 2^212222424412 is an apocalyptic number.

It is an amenable number.

212222424412 is a deficient number, since it is larger than the sum of its proper divisors (159381134684).

212222424412 is a wasteful number, since it uses less digits than its factorization.

212222424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616628 (or 30616626 counting only the distinct ones).

The product of its digits is 8192, while the sum is 28.

Adding to 212222424412 its reverse (214424222212), we get a palindrome (426646646624).

The spelling of 212222424412 in words is "two hundred twelve billion, two hundred twenty-two million, four hundred twenty-four thousand, four hundred twelve".