12013013222 has 16 divisors (see below), whose sum is σ = 21031902720. Its totient is φ = 5038892808.

The previous prime is 12013013219. The next prime is 12013013249. The reversal of 12013013222 is 22231031021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013013222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9127772 + ... + 9129087.

It is an arithmetic number, because the mean of its divisors is an integer number (1314493920).

Almost surely, 2^12013013222 is an apocalyptic number.

12013013222 is a deficient number, since it is larger than the sum of its proper divisors (9018889498).

12013013222 is a wasteful number, since it uses less digits than its factorization.

12013013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256915.

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

Adding to 12013013222 its reverse (22231031021), we get a palindrome (34244044243).

The spelling of 12013013222 in words is "twelve billion, thirteen million, thirteen thousand, two hundred twenty-two".