12003321032 has 16 divisors (see below), whose sum is σ = 22508101260. Its totient is φ = 6001160704.

The previous prime is 12003321013. The next prime is 12003321037. The reversal of 12003321032 is 23012330021.

It can be written as a sum of positive squares in 2 ways, for example, as 7669205476 + 4334115556 = 87574^2 + 65834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12003321032.

It is not an unprimeable number, because it can be changed into a prime (12003321037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51908 + ... + 163404.

Almost surely, 2^12003321032 is an apocalyptic number.

It is an amenable number.

12003321032 is a deficient number, since it is larger than the sum of its proper divisors (10504780228).

12003321032 is a wasteful number, since it uses less digits than its factorization.

12003321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124960 (or 124956 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12003321032 its reverse (23012330021), we get a palindrome (35015651053).

The spelling of 12003321032 in words is "twelve billion, three million, three hundred twenty-one thousand, thirty-two".