12131301103 has 4 divisors (see below), whose sum is σ = 12198325048. Its totient is φ = 12064277160.

The previous prime is 12131301059. The next prime is 12131301131. The reversal of 12131301103 is 30110313121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12131301103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131302103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33511701 + ... + 33512062.

It is an arithmetic number, because the mean of its divisors is an integer number (3049581262).

Almost surely, 2^12131301103 is an apocalyptic number.

12131301103 is a deficient number, since it is larger than the sum of its proper divisors (67023945).

12131301103 is an equidigital number, since it uses as much as digits as its factorization.

12131301103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67023944.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 12131301103 its reverse (30110313121), we get a palindrome (42241614224).

The spelling of 12131301103 in words is "twelve billion, one hundred thirty-one million, three hundred one thousand, one hundred three".