12226213342 has 24 divisors (see below), whose sum is σ = 21440732400. Its totient is φ = 5213466720.

The previous prime is 12226213273. The next prime is 12226213361. The reversal of 12226213342 is 24331262221.

It is a self number, because there is not a number n which added to its sum of digits gives 12226213342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293959 + ... + 332962.

It is an arithmetic number, because the mean of its divisors is an integer number (893363850).

Almost surely, 2^12226213342 is an apocalyptic number.

12226213342 is a deficient number, since it is larger than the sum of its proper divisors (9214519058).

12226213342 is a wasteful number, since it uses less digits than its factorization.

12226213342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627136 (or 627129 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 12226213342 its reverse (24331262221), we get a palindrome (36557475563).

The spelling of 12226213342 in words is "twelve billion, two hundred twenty-six million, two hundred thirteen thousand, three hundred forty-two".