12403442005 has 8 divisors (see below), whose sum is σ = 15072537600. Its totient is φ = 9797148816.

The previous prime is 12403441991. The next prime is 12403442039. The reversal of 12403442005 is 50024430421.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12403442005 - 2²³ = 12395053397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15700165 + ... + 15700954.

It is an arithmetic number, because the mean of its divisors is an integer number (1884067200).

Almost surely, 2^12403442005 is an apocalyptic number.

It is an amenable number.

12403442005 is a deficient number, since it is larger than the sum of its proper divisors (2669095595).

12403442005 is an equidigital number, since it uses as much as digits as its factorization.

12403442005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31401203.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12403442005 its reverse (50024430421), we get a palindrome (62427872426).

The spelling of 12403442005 in words is "twelve billion, four hundred three million, four hundred forty-two thousand, five".