12002003403 has 8 divisors (see below), whose sum is σ = 17233645968. Its totient is φ = 7385848224.

The previous prime is 12002003401. The next prime is 12002003459. The reversal of 12002003403 is 30430020021.

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

It is not a de Polignac number, because 12002003403 - 2¹ = 12002003401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12002003401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153871800 + ... + 153871877.

It is an arithmetic number, because the mean of its divisors is an integer number (2154205746).

Almost surely, 2^12002003403 is an apocalyptic number.

12002003403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12002003403 is a deficient number, since it is larger than the sum of its proper divisors (5231642565).

12002003403 is a wasteful number, since it uses less digits than its factorization.

12002003403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307743693.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 12002003403 its reverse (30430020021), we get a palindrome (42432023424).

The spelling of 12002003403 in words is "twelve billion, two million, three thousand, four hundred three".