12403001016 has 128 divisors (see below), whose sum is σ = 39408768000. Its totient is φ = 3540640896.

The previous prime is 12403001003. The next prime is 12403001021. The reversal of 12403001016 is 61010030421.

It is a happy number.

12403001016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 12403001016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2185030 + ... + 2190698.

It is an arithmetic number, because the mean of its divisors is an integer number (307881000).

Almost surely, 2^12403001016 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 12403001016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19704384000).

12403001016 is an abundant number, since it is smaller than the sum of its proper divisors (27005766984).

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

12403001016 is a wasteful number, since it uses less digits than its factorization.

12403001016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7138 (or 7128 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12403001016 its reverse (61010030421), we get a palindrome (73413031437).

The spelling of 12403001016 in words is "twelve billion, four hundred three million, one thousand, sixteen".