12144320313132 has 48 divisors (see below), whose sum is σ = 32385280902912. Its totient is φ = 3469760082240.

The previous prime is 12144320313121. The next prime is 12144320313161. The reversal of 12144320313132 is 23131302344121.

It is a self number, because there is not a number n which added to its sum of digits gives 12144320313132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5738263 + ... + 7564145.

It is an arithmetic number, because the mean of its divisors is an integer number (674693352144).

Almost surely, 2^{12144320313132} is an apocalyptic number.

12144320313132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12144320313132 is an abundant number, since it is smaller than the sum of its proper divisors (20240960589780).

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

12144320313132 is a wasteful number, since it uses less digits than its factorization.

12144320313132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905078 (or 1905076 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 12144320313132 its reverse (23131302344121), we get a palindrome (35275622657253).

The spelling of 12144320313132 in words is "twelve trillion, one hundred forty-four billion, three hundred twenty million, three hundred thirteen thousand, one hundred thirty-two".