12203013212 has 24 divisors (see below), whose sum is σ = 23256399600. Its totient is φ = 5568875136.

The previous prime is 12203013203. The next prime is 12203013223. The reversal of 12203013212 is 21231030221.

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, 1313762 + ... + 1323017.

It is an arithmetic number, because the mean of its divisors is an integer number (969016650).

Almost surely, 2^12203013212 is an apocalyptic number.

It is an amenable number.

12203013212 is a deficient number, since it is larger than the sum of its proper divisors (11053386388).

12203013212 is a wasteful number, since it uses less digits than its factorization.

12203013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2636885 (or 2636883 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12203013212 its reverse (21231030221), we get a palindrome (33434043433).

The spelling of 12203013212 in words is "twelve billion, two hundred three million, thirteen thousand, two hundred twelve".