12162231322 has 16 divisors (see below), whose sum is σ = 19271880000. Its totient is φ = 5740549920.

The previous prime is 12162231317. The next prime is 12162231337. The reversal of 12162231322 is 22313226121.

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, 558822 + ... + 580177.

It is an arithmetic number, because the mean of its divisors is an integer number (1204492500).

Almost surely, 2^12162231322 is an apocalyptic number.

12162231322 is a deficient number, since it is larger than the sum of its proper divisors (7109648678).

12162231322 is a wasteful number, since it uses less digits than its factorization.

12162231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139301.

The product of its digits is 1728, while the sum is 25.

Adding to 12162231322 its reverse (22313226121), we get a palindrome (34475457443).

The spelling of 12162231322 in words is "twelve billion, one hundred sixty-two million, two hundred thirty-one thousand, three hundred twenty-two".