12010002003 has 16 divisors (see below), whose sum is σ = 17807836800. Its totient is φ = 7999809480.

The previous prime is 12010001909. The next prime is 12010002071. The reversal of 12010002003 is 30020001021.

It is a happy number.

It is not a de Polignac number, because 12010002003 - 2¹⁷ = 12009870931 is a prime.

It is a super-2 number, since 2×12010002003² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (12010004003) 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, 158313 + ... + 221546.

It is an arithmetic number, because the mean of its divisors is an integer number (1112989800).

Almost surely, 2^12010002003 is an apocalyptic number.

12010002003 is a deficient number, since it is larger than the sum of its proper divisors (5797834797).

12010002003 is a wasteful number, since it uses less digits than its factorization.

12010002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381039 (or 381033 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 12010002003 its reverse (30020001021), we get a palindrome (42030003024).

The spelling of 12010002003 in words is "twelve billion, ten million, two thousand, three".