12211121212202 has 96 divisors (see below), whose sum is σ = 21213903642624. Its totient is φ = 5227086664800.

The previous prime is 12211121212193. The next prime is 12211121212207. The reversal of 12211121212202 is 20221212111221.

It is a super-2 number, since 2×12211121212202² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211121212207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193589873 + ... + 193652939.

It is an arithmetic number, because the mean of its divisors is an integer number (220978162944).

Almost surely, 2^{12211121212202} is an apocalyptic number.

12211121212202 is a deficient number, since it is larger than the sum of its proper divisors (9002782430422).

12211121212202 is a wasteful number, since it uses less digits than its factorization.

12211121212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63384 (or 63361 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12211121212202 its reverse (20221212111221), we get a palindrome (32432333323423).

The spelling of 12211121212202 in words is "twelve trillion, two hundred eleven billion, one hundred twenty-one million, two hundred twelve thousand, two hundred two".