12144123330 has 64 divisors (see below), whose sum is σ = 30146957568. Its totient is φ = 3128739840.

The previous prime is 12144123323. The next prime is 12144123331. The reversal of 12144123330 is 3332144121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12144123330.

It is not an unprimeable number, because it can be changed into a prime (12144123331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78762 + ... + 174618.

It is an arithmetic number, because the mean of its divisors is an integer number (471046212).

Almost surely, 2^12144123330 is an apocalyptic number.

12144123330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12144123330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15073478784).

12144123330 is an abundant number, since it is smaller than the sum of its proper divisors (18002834238).

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

12144123330 is a wasteful number, since it uses less digits than its factorization.

12144123330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96011.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12144123330 its reverse (3332144121), we get a palindrome (15476267451).

The spelling of 12144123330 in words is "twelve billion, one hundred forty-four million, one hundred twenty-three thousand, three hundred thirty".