12020144200 has 96 divisors (see below), whose sum is σ = 28355718600. Its totient is φ = 4738088960.

The previous prime is 12020144177. The next prime is 12020144233. The reversal of 12020144200 is 244102021.

It can be written as a sum of positive squares in 12 ways, for example, as 715776516 + 11304367684 = 26754^2 + 106322^2 .

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, 6282444 + ... + 6284356.

Almost surely, 2^12020144200 is an apocalyptic number.

12020144200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12020144200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14177859300).

12020144200 is an abundant number, since it is smaller than the sum of its proper divisors (16335574400).

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

12020144200 is a wasteful number, since it uses less digits than its factorization.

12020144200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12020144200 its reverse (244102021), we get a palindrome (12264246221).

The spelling of 12020144200 in words is "twelve billion, twenty million, one hundred forty-four thousand, two hundred".