12211002202222 has 16 divisors (see below), whose sum is σ = 18497880303840. Its totient is φ = 6045326614528.

The previous prime is 12211002202193. The next prime is 12211002202291. The reversal of 12211002202222 is 22220220011221.

12211002202222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12211002202222.

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, 71042347 + ... + 71214022.

It is an arithmetic number, because the mean of its divisors is an integer number (1156117518990).

Almost surely, 2^{12211002202222} is an apocalyptic number.

12211002202222 is a deficient number, since it is larger than the sum of its proper divisors (6286878101618).

12211002202222 is a wasteful number, since it uses less digits than its factorization.

12211002202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142256795.

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

Adding to 12211002202222 its reverse (22220220011221), we get a palindrome (34431222213443).

The spelling of 12211002202222 in words is "twelve trillion, two hundred eleven billion, two million, two hundred two thousand, two hundred twenty-two".