12211210211202 has 24 divisors (see below), whose sum is σ = 26542151280684. Its totient is φ = 4057398918144.

The previous prime is 12211210211201. The next prime is 12211210211267. The reversal of 12211210211202 is 20211201211221.

12211210211202 is a `hidden beast` number, since 1 + 221 + 1 + 210 + 211 + 20 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11749257542961 + 461952668241 = 3427719^2 + 679671^2 .

It is a super-2 number, since 2×12211210211202² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12211210211201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1083701343 + ... + 1083712610.

Almost surely, 2^{12211210211202} is an apocalyptic number.

12211210211202 is an abundant number, since it is smaller than the sum of its proper divisors (14330941069482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12211210211202 is a wasteful number, since it uses less digits than its factorization.

12211210211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167414274 (or 2167414271 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12211210211202 its reverse (20211201211221), we get a palindrome (32422411422423).

The spelling of 12211210211202 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, two hundred eleven thousand, two hundred two".