12221020122202 has 8 divisors (see below), whose sum is σ = 18605135111616. Its totient is φ = 6019308418332.

The previous prime is 12221020122193. The next prime is 12221020122229. The reversal of 12221020122202 is 20222102012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12221020122202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45600821218 + ... + 45600821485.

It is an arithmetic number, because the mean of its divisors is an integer number (2325641888952).

Almost surely, 2^{12221020122202} is an apocalyptic number.

12221020122202 is a deficient number, since it is larger than the sum of its proper divisors (6384114989414).

12221020122202 is an equidigital number, since it uses as much as digits as its factorization.

12221020122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91201642772.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12221020122202 its reverse (20222102012221), we get a palindrome (32443122134423).

The spelling of 12221020122202 in words is "twelve trillion, two hundred twenty-one billion, twenty million, one hundred twenty-two thousand, two hundred two".