12443561522 has 32 divisors (see below), whose sum is σ = 22509446400. Its totient is φ = 5043760128.

The previous prime is 12443561521. The next prime is 12443561549. The reversal of 12443561522 is 22516534421.

It is not an unprimeable number, because it can be changed into a prime (12443561521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188447 + ... + 245762.

It is an arithmetic number, because the mean of its divisors is an integer number (703420200).

Almost surely, 2^12443561522 is an apocalyptic number.

12443561522 is a deficient number, since it is larger than the sum of its proper divisors (10065884878).

12443561522 is a wasteful number, since it uses less digits than its factorization.

12443561522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434330.

The product of its digits is 57600, while the sum is 35.

The spelling of 12443561522 in words is "twelve billion, four hundred forty-three million, five hundred sixty-one thousand, five hundred twenty-two".