12886902385845 has 32 divisors (see below), whose sum is σ = 20675957501952. Its totient is φ = 6854048727552.

The previous prime is 12886902385843. The next prime is 12886902385873. The reversal of 12886902385845 is 54858320968821.

It is not a de Polignac number, because 12886902385845 - 2¹ = 12886902385843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12886902385845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12886902385843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39229899 + ... + 39557031.

It is an arithmetic number, because the mean of its divisors is an integer number (646123671936).

Almost surely, 2^{12886902385845} is an apocalyptic number.

12886902385845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12886902385845 is a deficient number, since it is larger than the sum of its proper divisors (7789055116107).

12886902385845 is a wasteful number, since it uses less digits than its factorization.

12886902385845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334381.

The product of its (nonzero) digits is 265420800, while the sum is 69.

The spelling of 12886902385845 in words is "twelve trillion, eight hundred eighty-six billion, nine hundred two million, three hundred eighty-five thousand, eight hundred forty-five".