12000102003 has 12 divisors (see below), whose sum is σ = 17334783648. Its totient is φ = 7999466640.

The previous prime is 12000101999. The next prime is 12000102013. The reversal of 12000102003 is 30020100021.

It is a happy number.

It is not a de Polignac number, because 12000102003 - 2² = 12000101999 is a prime.

It is a super-2 number, since 2×12000102003² (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 (12000102013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99901 + ... + 184337.

It is an arithmetic number, because the mean of its divisors is an integer number (1444565304).

Almost surely, 2^12000102003 is an apocalyptic number.

12000102003 is a deficient number, since it is larger than the sum of its proper divisors (5334681645).

12000102003 is a wasteful number, since it uses less digits than its factorization.

12000102003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100234 (or 100231 counting only the distinct ones).

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

Adding to 12000102003 its reverse (30020100021), we get a palindrome (42020202024).

It can be divided in two parts, 12000 and 102003, that added together give a triangular number (114003 = T₄₇₇).

The spelling of 12000102003 in words is "twelve billion, one hundred two thousand, three".