12402635671 has 2 divisors, whose sum is σ = 12402635672. Its totient is φ = 12402635670.

The previous prime is 12402635659. The next prime is 12402635683. The reversal of 12402635671 is 17653620421.

12402635671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12402635659) and next prime (12402635683).

It is a cyclic number.

It is not a de Polignac number, because 12402635671 - 2¹¹ = 12402633623 is a prime.

It is a super-3 number, since 3×12402635671³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12402635671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12402635611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6201317835 + 6201317836.

It is an arithmetic number, because the mean of its divisors is an integer number (6201317836).

Almost surely, 2^12402635671 is an apocalyptic number.

12402635671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12402635671 is an equidigital number, since it uses as much as digits as its factorization.

12402635671 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 12402635671 in words is "twelve billion, four hundred two million, six hundred thirty-five thousand, six hundred seventy-one".