12002211002222 has 24 divisors (see below), whose sum is σ = 21194954383176. Its totient is φ = 5081831161008.

The previous prime is 12002211002209. The next prime is 12002211002231. The reversal of 12002211002222 is 22220011220021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12002211002222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737772233 + ... + 737788500.

It is an arithmetic number, because the mean of its divisors is an integer number (883123099299).

Almost surely, 2^{12002211002222} is an apocalyptic number.

12002211002222 is a deficient number, since it is larger than the sum of its proper divisors (9192743380954).

12002211002222 is a wasteful number, since it uses less digits than its factorization.

12002211002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475560832 (or 1475560825 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12002211002222 its reverse (22220011220021), we get a palindrome (34222222222243).

The spelling of 12002211002222 in words is "twelve trillion, two billion, two hundred eleven million, two thousand, two hundred twenty-two".