12221302322 has 16 divisors (see below), whose sum is σ = 19962201600. Its totient is φ = 5589415440.

The previous prime is 12221302321. The next prime is 12221302337. The reversal of 12221302322 is 22320312221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12221302294 and 12221302303.

It is not an unprimeable number, because it can be changed into a prime (12221302321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5543954 + ... + 5546157.

It is an arithmetic number, because the mean of its divisors is an integer number (1247637600).

Almost surely, 2^12221302322 is an apocalyptic number.

12221302322 is a deficient number, since it is larger than the sum of its proper divisors (7740899278).

12221302322 is a wasteful number, since it uses less digits than its factorization.

12221302322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11090161.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12221302322 its reverse (22320312221), we get a palindrome (34541614543).

The spelling of 12221302322 in words is "twelve billion, two hundred twenty-one million, three hundred two thousand, three hundred twenty-two".