12221333202122 has 16 divisors (see below), whose sum is σ = 21174930254592. Its totient is φ = 5228377840320.

The previous prime is 12221333202109. The next prime is 12221333202193. The reversal of 12221333202122 is 22120233312221.

It is a junction number, because it is equal to n+sod(n) for n = 12221333202091 and 12221333202100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16338680378 + ... + 16338681125.

It is an arithmetic number, because the mean of its divisors is an integer number (1323433140912).

Almost surely, 2^{12221333202122} is an apocalyptic number.

12221333202122 is a deficient number, since it is larger than the sum of its proper divisors (8953597052470).

12221333202122 is a wasteful number, since it uses less digits than its factorization.

12221333202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32677361533.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 12221333202122 its reverse (22120233312221), we get a palindrome (34341566514343).

The spelling of 12221333202122 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirty-three million, two hundred two thousand, one hundred twenty-two".