12211020202202 has 4 divisors (see below), whose sum is σ = 18316530303306. Its totient is φ = 6105510101100.

The previous prime is 12211020202177. The next prime is 12211020202267. The reversal of 12211020202202 is 20220202011221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10596776262361 + 1614243939841 = 3255269^2 + 1270529^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3052755050549 + ... + 3052755050552.

Almost surely, 2^{12211020202202} is an apocalyptic number.

12211020202202 is a deficient number, since it is larger than the sum of its proper divisors (6105510101104).

12211020202202 is an equidigital number, since it uses as much as digits as its factorization.

12211020202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105510101103.

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

Adding to 12211020202202 its reverse (20220202011221), we get a palindrome (32431222213423).

The spelling of 12211020202202 in words is "twelve trillion, two hundred eleven billion, twenty million, two hundred two thousand, two hundred two".