12012222302322 has 96 divisors (see below), whose sum is σ = 27806526417600. Its totient is φ = 3447287902080.

The previous prime is 12012222302299. The next prime is 12012222302359. The reversal of 12012222302322 is 22320322221021.

It is a junction number, because it is equal to n+sod(n) for n = 12012222302292 and 12012222302301.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39977068 + ... + 40276424.

It is an arithmetic number, because the mean of its divisors is an integer number (289651316850).

Almost surely, 2^{12012222302322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12012222302322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13903263208800).

12012222302322 is an abundant number, since it is smaller than the sum of its proper divisors (15794304115278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12012222302322 is a wasteful number, since it uses less digits than its factorization.

12012222302322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302312 (or 302301 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12012222302322 its reverse (22320322221021), we get a palindrome (34332544523343).

The spelling of 12012222302322 in words is "twelve trillion, twelve billion, two hundred twenty-two million, three hundred two thousand, three hundred twenty-two".