12200121020022 has 64 divisors (see below), whose sum is σ = 26371729440000. Its totient is φ = 3740398535808.

The previous prime is 12200121019991. The next prime is 12200121020041. The reversal of 12200121020022 is 22002012100221.

It is a junction number, because it is equal to n+sod(n) for n = 12200121019983 and 12200121020010.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 26868229 + ... + 27318527.

It is an arithmetic number, because the mean of its divisors is an integer number (412058272500).

Almost surely, 2^{12200121020022} is an apocalyptic number.

12200121020022 is an abundant number, since it is smaller than the sum of its proper divisors (14171608419978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12200121020022 is a wasteful number, since it uses less digits than its factorization.

12200121020022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451565.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200121020022 its reverse (22002012100221), we get a palindrome (34202133120243).

The spelling of 12200121020022 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, twenty thousand, twenty-two".