12202231322 has 4 divisors (see below), whose sum is σ = 18303346986. Its totient is φ = 6101115660.

The previous prime is 12202231297. The next prime is 12202231333. The reversal of 12202231322 is 22313220221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22313220221 = 9439 ⋅2363939.

It can be written as a sum of positive squares in only one way, i.e., 6970747081 + 5231484241 = 83491^2 + 72329^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12202231294 and 12202231303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3050557829 + ... + 3050557832.

Almost surely, 2^12202231322 is an apocalyptic number.

12202231322 is a deficient number, since it is larger than the sum of its proper divisors (6101115664).

12202231322 is an equidigital number, since it uses as much as digits as its factorization.

12202231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6101115663.

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

Adding to 12202231322 its reverse (22313220221), we get a palindrome (34515451543).

The spelling of 12202231322 in words is "twelve billion, two hundred two million, two hundred thirty-one thousand, three hundred twenty-two".