11212202121200 has 60 divisors (see below), whose sum is σ = 26937828056160. Its totient is φ = 4484795527680.

The previous prime is 11212202121193. The next prime is 11212202121229. The reversal of 11212202121200 is 212120221211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23410532 + ... + 23884668.

It is an arithmetic number, because the mean of its divisors is an integer number (448963800936).

Almost surely, 2^{11212202121200} is an apocalyptic number.

11212202121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212202121200 is an abundant number, since it is smaller than the sum of its proper divisors (15725625934960).

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

11212202121200 is a wasteful number, since it uses less digits than its factorization.

11212202121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533274 (or 533263 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212202121200 its reverse (212120221211), we get a palindrome (11424322342411).

The spelling of 11212202121200 in words is "eleven trillion, two hundred twelve billion, two hundred two million, one hundred twenty-one thousand, two hundred".