12013403608 has 64 divisors (see below), whose sum is σ = 24362712000. Its totient is φ = 5538627072.

The previous prime is 12013403513. The next prime is 12013403609. The reversal of 12013403608 is 80630431021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013403609) by changing a digit.

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, 733978 + ... + 750166.

It is an arithmetic number, because the mean of its divisors is an integer number (380667375).

Almost surely, 2^12013403608 is an apocalyptic number.

It is an amenable number.

12013403608 is an abundant number, since it is smaller than the sum of its proper divisors (12349308392).

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

12013403608 is a wasteful number, since it uses less digits than its factorization.

12013403608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16364 (or 16360 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 12013403608 its reverse (80630431021), we get a palindrome (92643834629).

The spelling of 12013403608 in words is "twelve billion, thirteen million, four hundred three thousand, six hundred eight".