12012221100200 has 96 divisors (see below), whose sum is σ = 28667217189600. Its totient is φ = 4679304771840.

The previous prime is 12012221100199. The next prime is 12012221100277. The reversal of 12012221100200 is 200112221021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3494339 + ... + 6019538.

It is an arithmetic number, because the mean of its divisors is an integer number (298616845725).

Almost surely, 2^{12012221100200} is an apocalyptic number.

12012221100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012221100200 is an abundant number, since it is smaller than the sum of its proper divisors (16654996089400).

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

12012221100200 is a wasteful number, since it uses less digits than its factorization.

12012221100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9514059 (or 9514050 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12012221100200 its reverse (200112221021), we get a palindrome (12212333321221).

The spelling of 12012221100200 in words is "twelve trillion, twelve billion, two hundred twenty-one million, one hundred thousand, two hundred".