12200121220112 has 80 divisors (see below), whose sum is σ = 27046334257152. Its totient is φ = 5222474956800.

The previous prime is 12200121220033. The next prime is 12200121220277. The reversal of 12200121220112 is 21102212100221.

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 in 15 ways as a sum of consecutive naturals, for example, 584482508 + ... + 584503380.

Almost surely, 2^{12200121220112} is an apocalyptic number.

It is an amenable number.

12200121220112 is an abundant number, since it is smaller than the sum of its proper divisors (14846213037040).

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

12200121220112 is a wasteful number, since it uses less digits than its factorization.

12200121220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26776 (or 26770 counting only the distinct ones).

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

Adding to 12200121220112 its reverse (21102212100221), we get a palindrome (33302333320333).

The spelling of 12200121220112 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, one hundred twelve".