212231322230012 has 18 divisors (see below), whose sum is σ = 380243003105448. Its totient is φ = 103647855038952.

The previous prime is 212231322229939. The next prime is 212231322230063. The reversal of 212231322230012 is 210032223132212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14347702328 + ... + 14347717119.

It is an arithmetic number, because the mean of its divisors is an integer number (21124611283636).

Almost surely, 2^{212231322230012} is an apocalyptic number.

It is an amenable number.

212231322230012 is a deficient number, since it is larger than the sum of its proper divisors (168011680875436).

212231322230012 is a wasteful number, since it uses less digits than its factorization.

212231322230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28695419537 (or 28695419492 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 212231322230012 its reverse (210032223132212), we get a palindrome (422263545362224).

The spelling of 212231322230012 in words is "two hundred twelve trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty thousand, twelve".