12400526471 has 2 divisors, whose sum is σ = 12400526472. Its totient is φ = 12400526470.

The previous prime is 12400526449. The next prime is 12400526503. The reversal of 12400526471 is 17462500421.

It is an a-pointer prime, because the next prime (12400526503) can be obtained adding 12400526471 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12400526471 - 2⁶ = 12400526407 is a prime.

It is a super-3 number, since 3×12400526471³ (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12400526401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200263235 + 6200263236.

It is an arithmetic number, because the mean of its divisors is an integer number (6200263236).

Almost surely, 2^12400526471 is an apocalyptic number.

12400526471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12400526471 is an equidigital number, since it uses as much as digits as its factorization.

12400526471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 12400526471 in words is "twelve billion, four hundred million, five hundred twenty-six thousand, four hundred seventy-one".