12032322144 has 48 divisors (see below), whose sum is σ = 32603719680. Its totient is φ = 3881393280.

The previous prime is 12032322139. The next prime is 12032322161. The reversal of 12032322144 is 44122323021.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018584 + ... + 2024535.

It is an arithmetic number, because the mean of its divisors is an integer number (679244160).

Almost surely, 2^12032322144 is an apocalyptic number.

It is an amenable number.

12032322144 is an abundant number, since it is smaller than the sum of its proper divisors (20571397536).

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

12032322144 is a wasteful number, since it uses less digits than its factorization.

12032322144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043163 (or 4043155 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12032322144 its reverse (44122323021), we get a palindrome (56154645165).

The spelling of 12032322144 in words is "twelve billion, thirty-two million, three hundred twenty-two thousand, one hundred forty-four".