12445603532 has 6 divisors (see below), whose sum is σ = 21779806188. Its totient is φ = 6222801764.

The previous prime is 12445603529. The next prime is 12445603553. The reversal of 12445603532 is 23530654421.

It is a junction number, because it is equal to n+sod(n) for n = 12445603492 and 12445603501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555700438 + ... + 1555700445.

It is an arithmetic number, because the mean of its divisors is an integer number (3629967698).

Almost surely, 2^12445603532 is an apocalyptic number.

It is an amenable number.

12445603532 is a deficient number, since it is larger than the sum of its proper divisors (9334202656).

12445603532 is a wasteful number, since it uses less digits than its factorization.

12445603532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111400887 (or 3111400885 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 12445603532 in words is "twelve billion, four hundred forty-five million, six hundred three thousand, five hundred thirty-two".