12234213212 has 24 divisors (see below), whose sum is σ = 23060327472. Its totient is φ = 5645692800.

The previous prime is 12234213203. The next prime is 12234213227. The reversal of 12234213212 is 21231243221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429287 + ... + 456897.

It is an arithmetic number, because the mean of its divisors is an integer number (960846978).

Almost surely, 2^12234213212 is an apocalyptic number.

It is an amenable number.

12234213212 is a deficient number, since it is larger than the sum of its proper divisors (10826114260).

12234213212 is a wasteful number, since it uses less digits than its factorization.

12234213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36149 (or 36147 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

Adding to 12234213212 its reverse (21231243221), we get a palindrome (33465456433).

The spelling of 12234213212 in words is "twelve billion, two hundred thirty-four million, two hundred thirteen thousand, two hundred twelve".