12210000121200 has 120 divisors (see below), whose sum is σ = 44700229045888. Its totient is φ = 2790857168640.

The previous prime is 12210000121169. The next prime is 12210000121211. The reversal of 12210000121200 is 212100001221.

12210000121200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 726777322 + ... + 726794121.

Almost surely, 2^{12210000121200} is an apocalyptic number.

12210000121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210000121200 is an abundant number, since it is smaller than the sum of its proper divisors (32490228924688).

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

12210000121200 is a wasteful number, since it uses less digits than its factorization.

12210000121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453571471 (or 1453571460 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12210000121200 its reverse (212100001221), we get a palindrome (12422100122421).

The spelling of 12210000121200 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one thousand, two hundred".