12112005071522 has 32 divisors (see below), whose sum is σ = 18622285214400. Its totient is φ = 5904755089920.

The previous prime is 12112005071501. The next prime is 12112005071531. The reversal of 12112005071522 is 22517050021121.

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, 1403960573 + ... + 1403969199.

It is an arithmetic number, because the mean of its divisors is an integer number (581946412950).

Almost surely, 2^{12112005071522} is an apocalyptic number.

12112005071522 is a deficient number, since it is larger than the sum of its proper divisors (6510280142878).

12112005071522 is a wasteful number, since it uses less digits than its factorization.

12112005071522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16946.

The product of its (nonzero) digits is 2800, while the sum is 29.

Adding to 12112005071522 its reverse (22517050021121), we get a palindrome (34629055092643).

The spelling of 12112005071522 in words is "twelve trillion, one hundred twelve billion, five million, seventy-one thousand, five hundred twenty-two".