12471431356 has 12 divisors (see below), whose sum is σ = 22973689480. Its totient is φ = 5907520080.

The previous prime is 12471431321. The next prime is 12471431359. The reversal of 12471431356 is 65313417421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471431359) 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, 82048815 + ... + 82048966.

Almost surely, 2^12471431356 is an apocalyptic number.

It is an amenable number.

12471431356 is a deficient number, since it is larger than the sum of its proper divisors (10502258124).

12471431356 is a wasteful number, since it uses less digits than its factorization.

12471431356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164097804 (or 164097802 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

Adding to 12471431356 its reverse (65313417421), we get a palindrome (77784848777).

The spelling of 12471431356 in words is "twelve billion, four hundred seventy-one million, four hundred thirty-one thousand, three hundred fifty-six".