12471131203 has 4 divisors (see below), whose sum is σ = 12901170240. Its totient is φ = 12041092168.

The previous prime is 12471131191. The next prime is 12471131207. The reversal of 12471131203 is 30213117421.

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-12471131203 is a prime.

It is a super-2 number, since 2×12471131203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12471131207) 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, 215019475 + ... + 215019532.

It is an arithmetic number, because the mean of its divisors is an integer number (3225292560).

Almost surely, 2^12471131203 is an apocalyptic number.

12471131203 is a deficient number, since it is larger than the sum of its proper divisors (430039037).

12471131203 is an equidigital number, since it uses as much as digits as its factorization.

12471131203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430039036.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 12471131203 its reverse (30213117421), we get a palindrome (42684248624).

The spelling of 12471131203 in words is "twelve billion, four hundred seventy-one million, one hundred thirty-one thousand, two hundred three".