12011010003 has 6 divisors (see below), whose sum is σ = 17349236684. Its totient is φ = 8007339996.

The previous prime is 12011010001. The next prime is 12011010007. The reversal of 12011010003 is 30001011021.

It is not a de Polignac number, because 12011010003 - 2¹ = 12011010001 is a prime.

It is a super-2 number, since 2×12011010003² (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), and also a Moran number because the ratio is a prime number: 1334556667 = 12011010003 / (1 + 2 + 0 + 1 + 1 + 0 + 1 + 0 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011010001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667278325 + ... + 667278342.

Almost surely, 2^12011010003 is an apocalyptic number.

12011010003 is a deficient number, since it is larger than the sum of its proper divisors (5338226681).

12011010003 is a wasteful number, since it uses less digits than its factorization.

12011010003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334556673 (or 1334556670 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12011010003 its reverse (30001011021), we get a palindrome (42012021024).

The spelling of 12011010003 in words is "twelve billion, eleven million, ten thousand, three".