12121002202222 has 8 divisors (see below), whose sum is σ = 18213797271816. Its totient is φ = 6049736444952.

The previous prime is 12121002202201. The next prime is 12121002202223. The reversal of 12121002202222 is 22220220012121.

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 12121002202222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121002202223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5382326673 + ... + 5382328924.

It is an arithmetic number, because the mean of its divisors is an integer number (2276724658977).

Almost surely, 2^{12121002202222} is an apocalyptic number.

12121002202222 is a deficient number, since it is larger than the sum of its proper divisors (6092795069594).

12121002202222 is a wasteful number, since it uses less digits than its factorization.

12121002202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10764656162.

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

Adding to 12121002202222 its reverse (22220220012121), we get a palindrome (34341222214343).

The spelling of 12121002202222 in words is "twelve trillion, one hundred twenty-one billion, two million, two hundred two thousand, two hundred twenty-two".