12471835418836 has 48 divisors (see below), whose sum is σ = 22706686440144. Its totient is φ = 5990399041536.

The previous prime is 12471835418827. The next prime is 12471835418839. The reversal of 12471835418836 is 63881453817421.

It can be written as a sum of positive squares in 8 ways, for example, as 1387636880400 + 11084198538436 = 1177980^2 + 3329294^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471835418839) 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 in 15 ways as a sum of consecutive naturals, for example, 820965 + ... + 5061388.

It is an arithmetic number, because the mean of its divisors is an integer number (473055967503).

Almost surely, 2^{12471835418836} is an apocalyptic number.

It is an amenable number.

12471835418836 is a deficient number, since it is larger than the sum of its proper divisors (10234851021308).

12471835418836 is a wasteful number, since it uses less digits than its factorization.

12471835418836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882620 (or 5882618 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 61.

The spelling of 12471835418836 in words is "twelve trillion, four hundred seventy-one billion, eight hundred thirty-five million, four hundred eighteen thousand, eight hundred thirty-six".