12211220202206 has 16 divisors (see below), whose sum is σ = 19918460936016. Its totient is φ = 5591146928256.

The previous prime is 12211220202199. The next prime is 12211220202229. The reversal of 12211220202206 is 60220202211221.

12211220202206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12211220202206² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4853424896 + ... + 4853427411.

It is an arithmetic number, because the mean of its divisors is an integer number (1244903808501).

Almost surely, 2^{12211220202206} is an apocalyptic number.

12211220202206 is a deficient number, since it is larger than the sum of its proper divisors (7707240733810).

12211220202206 is a wasteful number, since it uses less digits than its factorization.

12211220202206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706852363.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 12211220202206 its reverse (60220202211221), we get a palindrome (72431422413427).

The spelling of 12211220202206 in words is "twelve trillion, two hundred eleven billion, two hundred twenty million, two hundred two thousand, two hundred six".