12144351232 has 96 divisors (see below), whose sum is σ = 26245674000. Its totient is φ = 5584748544.

The previous prime is 12144351227. The next prime is 12144351293. The reversal of 12144351232 is 23215344121.

It is a super-3 number, since 3×12144351232³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12144351232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9291123 + ... + 9292429.

Almost surely, 2^12144351232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12144351232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13122837000).

12144351232 is an abundant number, since it is smaller than the sum of its proper divisors (14101322768).

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

12144351232 is a wasteful number, since it uses less digits than its factorization.

12144351232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1671 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

Adding to 12144351232 its reverse (23215344121), we get a palindrome (35359695353).

The spelling of 12144351232 in words is "twelve billion, one hundred forty-four million, three hundred fifty-one thousand, two hundred thirty-two".