12012001103 has 2 divisors, whose sum is σ = 12012001104. Its totient is φ = 12012001102.

The previous prime is 12012001097. The next prime is 12012001129. The reversal of 12012001103 is 30110021021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012001103 - 2⁴ = 12012001087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012001193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006000551 + 6006000552.

It is an arithmetic number, because the mean of its divisors is an integer number (6006000552).

Almost surely, 2^12012001103 is an apocalyptic number.

12012001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012001103 is an equidigital number, since it uses as much as digits as its factorization.

12012001103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 12012001103 its reverse (30110021021), we get a palindrome (42122022124).

The spelling of 12012001103 in words is "twelve billion, twelve million, one thousand, one hundred three".