12895219478824 has 16 divisors (see below), whose sum is σ = 24768256926420. Its totient is φ = 6290350965120.

The previous prime is 12895219478803. The next prime is 12895219478851. The reversal of 12895219478824 is 42887491259821.

It can be written as a sum of positive squares in 2 ways, for example, as 12845987856900 + 49231621924 = 3584130^2 + 221882^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19657346439 + ... + 19657347094.

Almost surely, 2^{12895219478824} is an apocalyptic number.

It is an amenable number.

12895219478824 is a deficient number, since it is larger than the sum of its proper divisors (11873037447596).

12895219478824 is a wasteful number, since it uses less digits than its factorization.

12895219478824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39314693580 (or 39314693576 counting only the distinct ones).

The product of its digits is 185794560, while the sum is 70.

The spelling of 12895219478824 in words is "twelve trillion, eight hundred ninety-five billion, two hundred nineteen million, four hundred seventy-eight thousand, eight hundred twenty-four".