12144044511432 has 96 divisors (see below), whose sum is σ = 34834764631680. Its totient is φ = 3808809838080.

The previous prime is 12144044511373. The next prime is 12144044511461. The reversal of 12144044511432 is 23411544044121.

12144044511432 is a `hidden beast` number, since 1 + 21 + 4 + 40 + 4 + 451 + 143 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2884533 + ... + 5710395.

It is an arithmetic number, because the mean of its divisors is an integer number (362862131580).

Almost surely, 2^{12144044511432} is an apocalyptic number.

12144044511432 is a gapful number since it is divisible by the number (12) 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 12144044511432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17417382315840).

12144044511432 is an abundant number, since it is smaller than the sum of its proper divisors (22690720120248).

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

12144044511432 is a wasteful number, since it uses less digits than its factorization.

12144044511432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829403 (or 2829396 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 12144044511432 its reverse (23411544044121), we get a palindrome (35555588555553).

The spelling of 12144044511432 in words is "twelve trillion, one hundred forty-four billion, forty-four million, five hundred eleven thousand, four hundred thirty-two".