212221310132 has 24 divisors (see below), whose sum is σ = 417344919936. Its totient is φ = 93689674848.

The previous prime is 212221310129. The next prime is 212221310137. The reversal of 212221310132 is 231013122212.

212221310132 is digitally balanced in base 3, 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 (212221310137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88720088 + ... + 88722479.

It is an arithmetic number, because the mean of its divisors is an integer number (17389371664).

Almost surely, 2^212221310132 is an apocalyptic number.

It is an amenable number.

212221310132 is a deficient number, since it is larger than the sum of its proper divisors (205123609804).

212221310132 is a wasteful number, since it uses less digits than its factorization.

212221310132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177442607 (or 177442605 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212221310132 its reverse (231013122212), we get a palindrome (443234432344).

The spelling of 212221310132 in words is "two hundred twelve billion, two hundred twenty-one million, three hundred ten thousand, one hundred thirty-two".