12221333011322 has 4 divisors (see below), whose sum is σ = 18331999516986. Its totient is φ = 6110666505660.

The previous prime is 12221333011309. The next prime is 12221333011357. The reversal of 12221333011322 is 22311033312221.

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., 12217967967241 + 3365044081 = 3495421^2 + 58009^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12221333011291 and 12221333011300.

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, 3055333252829 + ... + 3055333252832.

Almost surely, 2^{12221333011322} is an apocalyptic number.

12221333011322 is a deficient number, since it is larger than the sum of its proper divisors (6110666505664).

12221333011322 is an equidigital number, since it uses as much as digits as its factorization.

12221333011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110666505663.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12221333011322 its reverse (22311033312221), we get a palindrome (34532366323543).

The spelling of 12221333011322 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty-three million, eleven thousand, three hundred twenty-two".