12200122022221 has 16 divisors (see below), whose sum is σ = 14026767451648. Its totient is φ = 10394597548800.

The previous prime is 12200122022197. The next prime is 12200122022233. The reversal of 12200122022221 is 12222022100221.

It is a cyclic number.

It is not a de Polignac number, because 12200122022221 - 2¹³ = 12200122014029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200122022261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6605010 + ... + 8247811.

It is an arithmetic number, because the mean of its divisors is an integer number (876672965728).

Almost surely, 2^{12200122022221} is an apocalyptic number.

It is an amenable number.

12200122022221 is a deficient number, since it is larger than the sum of its proper divisors (1826645429427).

12200122022221 is a wasteful number, since it uses less digits than its factorization.

12200122022221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14853532.

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

Adding to 12200122022221 its reverse (12222022100221), we get a palindrome (24422144122442).

The spelling of 12200122022221 in words is "twelve trillion, two hundred billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty-one".