12403012646 has 8 divisors (see below), whose sum is σ = 19107343920. Its totient is φ = 6033898008.

The previous prime is 12403012613. The next prime is 12403012667. The reversal of 12403012646 is 64621030421.

12403012646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 83804066 + ... + 83804213.

It is an arithmetic number, because the mean of its divisors is an integer number (2388417990).

Almost surely, 2^12403012646 is an apocalyptic number.

12403012646 is a deficient number, since it is larger than the sum of its proper divisors (6704331274).

12403012646 is a wasteful number, since it uses less digits than its factorization.

12403012646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167608318.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12403012646 in words is "twelve billion, four hundred three million, twelve thousand, six hundred forty-six".