12221122202 has 8 divisors (see below), whose sum is σ = 19296508800. Its totient is φ = 5788952604.

The previous prime is 12221122187. The next prime is 12221122217. The reversal of 12221122202 is 20222112221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12221122187) and next prime (12221122217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160804202 + ... + 160804277.

It is an arithmetic number, because the mean of its divisors is an integer number (2412063600).

Almost surely, 2^12221122202 is an apocalyptic number.

12221122202 is a deficient number, since it is larger than the sum of its proper divisors (7075386598).

12221122202 is a wasteful number, since it uses less digits than its factorization.

12221122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321608500.

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

Adding to 12221122202 its reverse (20222112221), we get a palindrome (32443234423).

The spelling of 12221122202 in words is "twelve billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred two".