12000213212 has 24 divisors (see below), whose sum is σ = 23345331072. Its totient is φ = 5359896000.

The previous prime is 12000213179. The next prime is 12000213217. The reversal of 12000213212 is 21231200021.

It is a happy number.

12000213212 is digitally balanced in base 2, 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 (12000213217) 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, 3720539 + ... + 3723762.

It is an arithmetic number, because the mean of its divisors is an integer number (972722128).

Almost surely, 2^12000213212 is an apocalyptic number.

It is an amenable number.

12000213212 is a deficient number, since it is larger than the sum of its proper divisors (11345117860).

12000213212 is a wasteful number, since it uses less digits than its factorization.

12000213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444349 (or 7444347 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12000213212 its reverse (21231200021), we get a palindrome (33231413233).

The spelling of 12000213212 in words is "twelve billion, two hundred thirteen thousand, two hundred twelve".