212234422312 has 32 divisors (see below), whose sum is σ = 435177345600. Its totient is φ = 96234307200.

The previous prime is 212234422291. The next prime is 212234422313. The reversal of 212234422312 is 213224432212.

It is not an unprimeable number, because it can be changed into a prime (212234422313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2912364 + ... + 2984347.

It is an arithmetic number, because the mean of its divisors is an integer number (13599292050).

Almost surely, 2^212234422312 is an apocalyptic number.

212234422312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212234422312 is an abundant number, since it is smaller than the sum of its proper divisors (222942923288).

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

212234422312 is a wasteful number, since it uses less digits than its factorization.

212234422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897137 (or 5897133 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 212234422312 its reverse (213224432212), we get a palindrome (425458854524).

The spelling of 212234422312 in words is "two hundred twelve billion, two hundred thirty-four million, four hundred twenty-two thousand, three hundred twelve".