12144423305524 has 12 divisors (see below), whose sum is σ = 22176772992864. Its totient is φ = 5808202450424.

The previous prime is 12144423305507. The next prime is 12144423305533. The reversal of 12144423305524 is 42550332444121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66002300482 + ... + 66002300665.

It is an arithmetic number, because the mean of its divisors is an integer number (1848064416072).

Almost surely, 2^{12144423305524} is an apocalyptic number.

It is an amenable number.

12144423305524 is a deficient number, since it is larger than the sum of its proper divisors (10032349687340).

12144423305524 is a wasteful number, since it uses less digits than its factorization.

12144423305524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132004601174 (or 132004601172 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 12144423305524 its reverse (42550332444121), we get a palindrome (54694755749645).

The spelling of 12144423305524 in words is "twelve trillion, one hundred forty-four billion, four hundred twenty-three million, three hundred five thousand, five hundred twenty-four".