12010220121200 has 120 divisors (see below), whose sum is σ = 33394059310080. Its totient is φ = 4065665760000.

The previous prime is 12010220121199. The next prime is 12010220121203. The reversal of 12010220121200 is 212102201021.

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 (12010220121203) 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, 26926676 + ... + 27369075.

It is an arithmetic number, because the mean of its divisors is an integer number (278283827584).

Almost surely, 2^{12010220121200} is an apocalyptic number.

12010220121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010220121200 is an abundant number, since it is smaller than the sum of its proper divisors (21383839188880).

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

12010220121200 is a wasteful number, since it uses less digits than its factorization.

12010220121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54295855 (or 54295844 counting only the distinct ones).

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

Adding to 12010220121200 its reverse (212102201021), we get a palindrome (12222322322221).

The spelling of 12010220121200 in words is "twelve trillion, ten billion, two hundred twenty million, one hundred twenty-one thousand, two hundred".