12004402003 has 16 divisors (see below), whose sum is σ = 13416635232. Its totient is φ = 10647936000.

The previous prime is 12004401991. The next prime is 12004402009. The reversal of 12004402003 is 30020440021.

It is a cyclic number.

It is not a de Polignac number, because 12004402003 - 2¹⁷ = 12004270931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12004402009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48643 + ... + 162403.

It is an arithmetic number, because the mean of its divisors is an integer number (838539702).

Almost surely, 2^12004402003 is an apocalyptic number.

12004402003 is a deficient number, since it is larger than the sum of its proper divisors (1412233229).

12004402003 is a wasteful number, since it uses less digits than its factorization.

12004402003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114006.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 12004402003 its reverse (30020440021), we get a palindrome (42024842024).

The spelling of 12004402003 in words is "twelve billion, four million, four hundred two thousand, three".