12003203001 has 16 divisors (see below), whose sum is σ = 16044497280. Its totient is φ = 7982050560.

The previous prime is 12003202957. The next prime is 12003203011. The reversal of 12003203001 is 10030230021.

It is a happy number.

It is not a de Polignac number, because 12003203001 - 2¹⁵ = 12003170233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12003203011) 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, 2214771 + ... + 2220183.

It is an arithmetic number, because the mean of its divisors is an integer number (1002781080).

Almost surely, 2^12003203001 is an apocalyptic number.

It is an amenable number.

12003203001 is a deficient number, since it is larger than the sum of its proper divisors (4041294279).

12003203001 is an equidigital number, since it uses as much as digits as its factorization.

12003203001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7136.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 12003203001 its reverse (10030230021), we get a palindrome (22033433022).

The spelling of 12003203001 in words is "twelve billion, three million, two hundred three thousand, one".