12001102003 has 8 divisors (see below), whose sum is σ = 13116317616. Its totient is φ = 10889920800.

The previous prime is 12001101971. The next prime is 12001102007. The reversal of 12001102003 is 30020110021.

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

It is not a de Polignac number, because 12001102003 - 2⁵ = 12001101971 is a prime.

It is a super-2 number, since 2×12001102003² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001102007) 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, 1002376 + ... + 1014277.

It is an arithmetic number, because the mean of its divisors is an integer number (1639539702).

Almost surely, 2^12001102003 is an apocalyptic number.

12001102003 is a deficient number, since it is larger than the sum of its proper divisors (1115215613).

12001102003 is a wasteful number, since it uses less digits than its factorization.

12001102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017205.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 12001102003 its reverse (30020110021), we get a palindrome (42021212024).

The spelling of 12001102003 in words is "twelve billion, one million, one hundred two thousand, three".