12221202020122 has 8 divisors (see below), whose sum is σ = 18423922644000. Its totient is φ = 6079894472124.

The previous prime is 12221202020117. The next prime is 12221202020141. The reversal of 12221202020122 is 22102020212221.

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 12221202020122.

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, 15353268472 + ... + 15353269267.

It is an arithmetic number, because the mean of its divisors is an integer number (2302990330500).

Almost surely, 2^{12221202020122} is an apocalyptic number.

12221202020122 is a deficient number, since it is larger than the sum of its proper divisors (6202720623878).

12221202020122 is a wasteful number, since it uses less digits than its factorization.

12221202020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30706537940.

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

Adding to 12221202020122 its reverse (22102020212221), we get a palindrome (34323222232343).

The spelling of 12221202020122 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, twenty thousand, one hundred twenty-two".