12032213212 has 12 divisors (see below), whose sum is σ = 21260804656. Its totient is φ = 5957697600.

The previous prime is 12032213209. The next prime is 12032213231. The reversal of 12032213212 is 21231223021.

It is a self number, because there is not a number n which added to its sum of digits gives 12032213212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14601789 + ... + 14602612.

Almost surely, 2^12032213212 is an apocalyptic number.

It is an amenable number.

12032213212 is a deficient number, since it is larger than the sum of its proper divisors (9228591444).

12032213212 is a wasteful number, since it uses less digits than its factorization.

12032213212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29204508 (or 29204506 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12032213212 its reverse (21231223021), we get a palindrome (33263436233).

The spelling of 12032213212 in words is "twelve billion, thirty-two million, two hundred thirteen thousand, two hundred twelve".