12902512895 has 16 divisors (see below), whose sum is σ = 15668640000. Its totient is φ = 10198434048.

The previous prime is 12902512891. The next prime is 12902512901. The reversal of 12902512895 is 59821520921.

12902512895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12902512895 - 2² = 12902512891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12902512891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630281 + ... + 650429.

It is an arithmetic number, because the mean of its divisors is an integer number (979290000).

Almost surely, 2^12902512895 is an apocalyptic number.

12902512895 is a deficient number, since it is larger than the sum of its proper divisors (2766127105).

12902512895 is a wasteful number, since it uses less digits than its factorization.

12902512895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21682.

The product of its (nonzero) digits is 129600, while the sum is 44.

The spelling of 12902512895 in words is "twelve billion, nine hundred two million, five hundred twelve thousand, eight hundred ninety-five".