12286581478 has 8 divisors (see below), whose sum is σ = 19024384320. Its totient is φ = 5945120040.

The previous prime is 12286581473. The next prime is 12286581487. The reversal of 12286581478 is 87418568221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12286581473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99085273 + ... + 99085396.

It is an arithmetic number, because the mean of its divisors is an integer number (2378048040).

Almost surely, 2^12286581478 is an apocalyptic number.

12286581478 is a deficient number, since it is larger than the sum of its proper divisors (6737802842).

12286581478 is a wasteful number, since it uses less digits than its factorization.

12286581478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198170702.

The product of its digits is 1720320, while the sum is 52.

The spelling of 12286581478 in words is "twelve billion, two hundred eighty-six million, five hundred eighty-one thousand, four hundred seventy-eight".