12002211220322 has 4 divisors (see below), whose sum is σ = 18003316830486. Its totient is φ = 6001105610160.

The previous prime is 12002211220297. The next prime is 12002211220339. The reversal of 12002211220322 is 22302211220021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11107482518521 + 894728701801 = 3332789^2 + 945901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12002211220294 and 12002211220303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000552805079 + ... + 3000552805082.

Almost surely, 2^{12002211220322} is an apocalyptic number.

12002211220322 is a deficient number, since it is larger than the sum of its proper divisors (6001105610164).

12002211220322 is an equidigital number, since it uses as much as digits as its factorization.

12002211220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001105610163.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12002211220322 its reverse (22302211220021), we get a palindrome (34304422440343).

The spelling of 12002211220322 in words is "twelve trillion, two billion, two hundred eleven million, two hundred twenty thousand, three hundred twenty-two".