12845878521388 has 48 divisors (see below), whose sum is σ = 24689592426240. Its totient is φ = 5799607128000.

The previous prime is 12845878521349. The next prime is 12845878521401. The reversal of 12845878521388 is 88312587854821.

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 15 ways as a sum of consecutive naturals, for example, 52252018 + ... + 52497286.

It is an arithmetic number, because the mean of its divisors is an integer number (514366508880).

Almost surely, 2^{12845878521388} is an apocalyptic number.

It is an amenable number.

12845878521388 is a deficient number, since it is larger than the sum of its proper divisors (11843713904852).

12845878521388 is a wasteful number, since it uses less digits than its factorization.

12845878521388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253318 (or 253316 counting only the distinct ones).

The product of its digits is 275251200, while the sum is 70.

The spelling of 12845878521388 in words is "twelve trillion, eight hundred forty-five billion, eight hundred seventy-eight million, five hundred twenty-one thousand, three hundred eighty-eight".