12144402403 has 16 divisors (see below), whose sum is σ = 14214937600. Its totient is φ = 10370997000.

The previous prime is 12144402397. The next prime is 12144402419. The reversal of 12144402403 is 30420444121.

It is not a de Polignac number, because 12144402403 - 2²¹ = 12142305251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12144402103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27628 + ... + 158278.

It is an arithmetic number, because the mean of its divisors is an integer number (888433600).

Almost surely, 2^12144402403 is an apocalyptic number.

12144402403 is a deficient number, since it is larger than the sum of its proper divisors (2070535197).

12144402403 is an equidigital number, since it uses as much as digits as its factorization.

12144402403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130943 (or 130929 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 12144402403 its reverse (30420444121), we get a palindrome (42564846524).

The spelling of 12144402403 in words is "twelve billion, one hundred forty-four million, four hundred two thousand, four hundred three".