12122121012200 has 48 divisors (see below), whose sum is σ = 28184335313280. Its totient is φ = 4848778906560.

The previous prime is 12122121012187. The next prime is 12122121012227. The reversal of 12122121012200 is 221012122121.

12122121012200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14905289 + ... + 15697511.

It is an arithmetic number, because the mean of its divisors is an integer number (587173652360).

Almost surely, 2^{12122121012200} is an apocalyptic number.

12122121012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122121012200 is an abundant number, since it is smaller than the sum of its proper divisors (16062214301080).

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

12122121012200 is a wasteful number, since it uses less digits than its factorization.

12122121012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868746 (or 868737 counting only the distinct ones).

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

Adding to 12122121012200 its reverse (221012122121), we get a palindrome (12343133134321).

The spelling of 12122121012200 in words is "twelve trillion, one hundred twenty-two billion, one hundred twenty-one million, twelve thousand, two hundred".