12045511121444 has 12 divisors (see below), whose sum is σ = 22319623548684. Its totient is φ = 5668475821824.

The previous prime is 12045511121419. The next prime is 12045511121459. The reversal of 12045511121444 is 44412111554021.

It can be written as a sum of positive squares in 2 ways, for example, as 3802227004900 + 8243284116544 = 1949930^2 + 2871112^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88569934649 + ... + 88569934784.

It is an arithmetic number, because the mean of its divisors is an integer number (1859968629057).

Almost surely, 2^{12045511121444} is an apocalyptic number.

It is an amenable number.

12045511121444 is a deficient number, since it is larger than the sum of its proper divisors (10274112427240).

12045511121444 is a wasteful number, since it uses less digits than its factorization.

12045511121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177139869454 (or 177139869452 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

Adding to 12045511121444 its reverse (44412111554021), we get a palindrome (56457622675465).

The spelling of 12045511121444 in words is "twelve trillion, forty-five billion, five hundred eleven million, one hundred twenty-one thousand, four hundred forty-four".