12887734926081 has 8 divisors (see below), whose sum is σ = 17204127675840. Its totient is φ = 8581582730192.

The previous prime is 12887734926061. The next prime is 12887734926097. The reversal of 12887734926081 is 18062943778821.

12887734926081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12887734926081 - 2²³ = 12887726537473 is a prime.

It is a super-2 number, since 2×12887734926081² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12887734926061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2560135530 + ... + 2560140563.

It is an arithmetic number, because the mean of its divisors is an integer number (2150515959480).

Almost surely, 2^{12887734926081} is an apocalyptic number.

It is an amenable number.

12887734926081 is a deficient number, since it is larger than the sum of its proper divisors (4316392749759).

12887734926081 is an equidigital number, since it uses as much as digits as its factorization.

12887734926081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120276935.

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 12887734926081 in words is "twelve trillion, eight hundred eighty-seven billion, seven hundred thirty-four million, nine hundred twenty-six thousand, eighty-one".