12471291886158 has 144 divisors (see below), whose sum is σ = 33089529816720. Its totient is φ = 3375440232192.

The previous prime is 12471291886129. The next prime is 12471291886159. The reversal of 12471291886158 is 85168819217421.

12471291886158 is a `hidden beast` number, since 1 + 2 + 4 + 7 + 1 + 2 + 9 + 1 + 8 + 8 + 615 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 12471291886095 and 12471291886104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12471291886159) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 434570866 + ... + 434599562.

It is an arithmetic number, because the mean of its divisors is an integer number (229788401505).

Almost surely, 2^{12471291886158} is an apocalyptic number.

12471291886158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12471291886158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16544764908360).

12471291886158 is an abundant number, since it is smaller than the sum of its proper divisors (20618237930562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12471291886158 is a wasteful number, since it uses less digits than its factorization.

12471291886158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54671 (or 54661 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 63.

The spelling of 12471291886158 in words is "twelve trillion, four hundred seventy-one billion, two hundred ninety-one million, eight hundred eighty-six thousand, one hundred fifty-eight".