12132122212 has 24 divisors (see below), whose sum is σ = 25541311040. Its totient is φ = 4925823840.

The previous prime is 12132122209. The next prime is 12132122213. The reversal of 12132122212 is 21222123121.

12132122212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12132122212.

It is not an unprimeable number, because it can be changed into a prime (12132122213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11401839 + ... + 11402902.

Almost surely, 2^12132122212 is an apocalyptic number.

It is an amenable number.

12132122212 is an abundant number, since it is smaller than the sum of its proper divisors (13409188828).

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

12132122212 is a wasteful number, since it uses less digits than its factorization.

12132122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22804771 (or 22804769 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

Adding to 12132122212 its reverse (21222123121), we get a palindrome (33354245333).

Subtracting 12132122212 from its reverse (21222123121), we obtain a palindrome (9090000909).

The spelling of 12132122212 in words is "twelve billion, one hundred thirty-two million, one hundred twenty-two thousand, two hundred twelve".