12211202221202 has 8 divisors (see below), whose sum is σ = 18418001140812. Its totient is φ = 6071868507600.

The previous prime is 12211202221157. The next prime is 12211202221217. The reversal of 12211202221202 is 20212220211221.

It can be written as a sum of positive squares in 2 ways, for example, as 10669832793841 + 1541369427361 = 3266471^2 + 1241519^2 .

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

It is a super-2 number, since 2×12211202221202² (a number of 27 digits) contains 22 as substring.

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, 16866301049 + ... + 16866301772.

Almost surely, 2^{12211202221202} is an apocalyptic number.

12211202221202 is a deficient number, since it is larger than the sum of its proper divisors (6206798919610).

12211202221202 is a wasteful number, since it uses less digits than its factorization.

12211202221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33732603004.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12211202221202 its reverse (20212220211221), we get a palindrome (32423422432423).

The spelling of 12211202221202 in words is "twelve trillion, two hundred eleven billion, two hundred two million, two hundred twenty-one thousand, two hundred two".