12478426078860 has 144 divisors (see below), whose sum is σ = 43523934295296. Its totient is φ = 2834713397376.

The previous prime is 12478426078843. The next prime is 12478426078873. The reversal of 12478426078860 is 6887062487421.

12478426078860 is a `hidden beast` number, since 1 + 2 + 4 + 78 + 426 + 0 + 7 + 88 + 60 = 666.

It is a super-2 number, since 2×12478426078860² (a number of 27 digits) contains 22 as substring.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 30173494 + ... + 30584253.

Almost surely, 2^{12478426078860} is an apocalyptic number.

12478426078860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12478426078860 is an abundant number, since it is smaller than the sum of its proper divisors (31045508216436).

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

12478426078860 is a wasteful number, since it uses less digits than its factorization.

12478426078860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60757932 (or 60757927 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 63.

The spelling of 12478426078860 in words is "twelve trillion, four hundred seventy-eight billion, four hundred twenty-six million, seventy-eight thousand, eight hundred sixty".