12731225471 has 2 divisors, whose sum is σ = 12731225472. Its totient is φ = 12731225470.

The previous prime is 12731225467. The next prime is 12731225491. The reversal of 12731225471 is 17452213721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12731225471 - 2² = 12731225467 is a prime.

It is a super-3 number, since 3×12731225471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12731225411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365612735 + 6365612736.

It is an arithmetic number, because the mean of its divisors is an integer number (6365612736).

Almost surely, 2^12731225471 is an apocalyptic number.

12731225471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12731225471 is an equidigital number, since it uses as much as digits as its factorization.

12731225471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The spelling of 12731225471 in words is "twelve billion, seven hundred thirty-one million, two hundred twenty-five thousand, four hundred seventy-one".