12001240103 has 2 divisors, whose sum is σ = 12001240104. Its totient is φ = 12001240102.

The previous prime is 12001240079. The next prime is 12001240159. The reversal of 12001240103 is 30104210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001240103 - 2¹⁰ = 12001239079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001240183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000620051 + 6000620052.

It is an arithmetic number, because the mean of its divisors is an integer number (6000620052).

Almost surely, 2^12001240103 is an apocalyptic number.

12001240103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001240103 is an equidigital number, since it uses as much as digits as its factorization.

12001240103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12001240103 its reverse (30104210021), we get a palindrome (42105450124).

The spelling of 12001240103 in words is "twelve billion, one million, two hundred forty thousand, one hundred three".