12013203324 has 48 divisors (see below), whose sum is σ = 29308027392. Its totient is φ = 3822637632.

The previous prime is 12013203271. The next prime is 12013203331. The reversal of 12013203324 is 42330231021.

It is a self number, because there is not a number n which added to its sum of digits gives 12013203324.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 95562 + ... + 182094.

It is an arithmetic number, because the mean of its divisors is an integer number (610583904).

Almost surely, 2^12013203324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013203324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14654013696).

12013203324 is an abundant number, since it is smaller than the sum of its proper divisors (17294824068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12013203324 is a wasteful number, since it uses less digits than its factorization.

12013203324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87066 (or 87064 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12013203324 its reverse (42330231021), we get a palindrome (54343434345).

The spelling of 12013203324 in words is "twelve billion, thirteen million, two hundred three thousand, three hundred twenty-four".