12144453200 has 120 divisors (see below), whose sum is σ = 33702039360. Its totient is φ = 4156364800.

The previous prime is 12144453173. The next prime is 12144453203. The reversal of 12144453200 is 235444121.

It is a self number, because there is not a number n which added to its sum of digits gives 12144453200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144453203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6380 + ... + 155979.

It is an arithmetic number, because the mean of its divisors is an integer number (280850328).

Almost surely, 2^12144453200 is an apocalyptic number.

12144453200 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 12144453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16851019680).

12144453200 is an abundant number, since it is smaller than the sum of its proper divisors (21557586160).

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

12144453200 is a wasteful number, since it uses less digits than its factorization.

12144453200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162405 (or 162394 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 12144453200 its reverse (235444121), we get a palindrome (12379897321).

The spelling of 12144453200 in words is "twelve billion, one hundred forty-four million, four hundred fifty-three thousand, two hundred".