12471431211 has 6 divisors (see below), whose sum is σ = 18014289540. Its totient is φ = 8314287468.

The previous prime is 12471431107. The next prime is 12471431213. The reversal of 12471431211 is 11213417421.

It is a happy number.

12471431211 is a `hidden beast` number, since 12 + 4 + 7 + 1 + 431 + 211 = 666.

It is not a de Polignac number, because 12471431211 - 2¹⁷ = 12471300139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12471431213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 692857281 + ... + 692857298.

It is an arithmetic number, because the mean of its divisors is an integer number (3002381590).

Almost surely, 2^12471431211 is an apocalyptic number.

12471431211 is a deficient number, since it is larger than the sum of its proper divisors (5542858329).

12471431211 is a wasteful number, since it uses less digits than its factorization.

12471431211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385714585 (or 1385714582 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

Adding to 12471431211 its reverse (11213417421), we get a palindrome (23684848632).

The spelling of 12471431211 in words is "twelve billion, four hundred seventy-one million, four hundred thirty-one thousand, two hundred eleven".