12120211002200 has 96 divisors (see below), whose sum is σ = 32206088678400. Its totient is φ = 4155377485440.

The previous prime is 12120211002191. The next prime is 12120211002203. The reversal of 12120211002200 is 220011202121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120211002203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55665947 + ... + 55883253.

It is an arithmetic number, because the mean of its divisors is an integer number (335480090400).

Almost surely, 2^{12120211002200} is an apocalyptic number.

12120211002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12120211002200 is an abundant number, since it is smaller than the sum of its proper divisors (20085877676200).

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

12120211002200 is a wasteful number, since it uses less digits than its factorization.

12120211002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257169 (or 257160 counting only the distinct ones).

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

Adding to 12120211002200 its reverse (220011202121), we get a palindrome (12340222204321).

The spelling of 12120211002200 in words is "twelve trillion, one hundred twenty billion, two hundred eleven million, two thousand, two hundred".