12088871478 has 48 divisors (see below), whose sum is σ = 26922255360. Its totient is φ = 3918205872.

The previous prime is 12088871447. The next prime is 12088871489. The reversal of 12088871478 is 87417888021.

It is a happy number.

12088871478 is a `hidden beast` number, since 1 + 20 + 8 + 88 + 71 + 478 = 666.

It is a super-2 number, since 2×12088871478² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137583 + ... + 207621.

It is an arithmetic number, because the mean of its divisors is an integer number (560880320).

Almost surely, 2^12088871478 is an apocalyptic number.

12088871478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12088871478 is an abundant number, since it is smaller than the sum of its proper divisors (14833383882).

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

12088871478 is a wasteful number, since it uses less digits than its factorization.

12088871478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70313 (or 70310 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 54.

The spelling of 12088871478 in words is "twelve billion, eighty-eight million, eight hundred seventy-one thousand, four hundred seventy-eight".