12212112011200 has 42 divisors (see below), whose sum is σ = 30049428121496. Its totient is φ = 4884844803840.

The previous prime is 12212112011191. The next prime is 12212112011261. The reversal of 12212112011200 is 211021121221.

12212112011200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3816283404 + ... + 3816286603.

Almost surely, 2^{12212112011200} is an apocalyptic number.

12212112011200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212112011200 is an abundant number, since it is smaller than the sum of its proper divisors (17837316110296).

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

12212112011200 is an equidigital number, since it uses as much as digits as its factorization.

12212112011200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7632570029 (or 7632570014 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212112011200 its reverse (211021121221), we get a palindrome (12423133132421).

The spelling of 12212112011200 in words is "twelve trillion, two hundred twelve billion, one hundred twelve million, eleven thousand, two hundred".