12230020121200 has 60 divisors (see below), whose sum is σ = 33580140969040. Its totient is φ = 4193149754880.

The previous prime is 12230020121177. The next prime is 12230020121201. The reversal of 12230020121200 is 212102003221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230020121201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2183929365 + ... + 2183934964.

Almost surely, 2^{12230020121200} is an apocalyptic number.

12230020121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12230020121200 is an abundant number, since it is smaller than the sum of its proper divisors (21350120847840).

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

12230020121200 is a wasteful number, since it uses less digits than its factorization.

12230020121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367864354 (or 4367864343 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12230020121200 its reverse (212102003221), we get a palindrome (12442122124421).

The spelling of 12230020121200 in words is "twelve trillion, two hundred thirty billion, twenty million, one hundred twenty-one thousand, two hundred".