12001010103 has 6 divisors (see below), whose sum is σ = 17334792384. Its totient is φ = 8000673396.

The previous prime is 12001010059. The next prime is 12001010149. The reversal of 12001010103 is 30101010021.

It is not a de Polignac number, because 12001010103 - 2¹⁰ = 12001009079 is a prime.

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: 1333445567 = 12001010103 / (1 + 2 + 0 + 0 + 1 + 0 + 1 + 0 + 1 + 0 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001011103) 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, 666722775 + ... + 666722792.

It is an arithmetic number, because the mean of its divisors is an integer number (2889132064).

Almost surely, 2^12001010103 is an apocalyptic number.

12001010103 is a deficient number, since it is larger than the sum of its proper divisors (5333782281).

12001010103 is a wasteful number, since it uses less digits than its factorization.

12001010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333445573 (or 1333445570 counting only the distinct ones).

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

Adding to 12001010103 its reverse (30101010021), we get a palindrome (42102020124).

The spelling of 12001010103 in words is "twelve billion, one million, ten thousand, one hundred three".