1287373908908 has 24 divisors (see below), whose sum is σ = 2260634987520. Its totient is φ = 641481849680.

The previous prime is 1287373908901. The next prime is 1287373908911. The reversal of 1287373908908 is 8098093737821.

It is not an unprimeable number, because it can be changed into a prime (1287373908901) 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, 956285 + ... + 1867947.

It is an arithmetic number, because the mean of its divisors is an integer number (94193124480).

Almost surely, 2^{1287373908908} is an apocalyptic number.

It is an amenable number.

1287373908908 is a deficient number, since it is larger than the sum of its proper divisors (973261078612).

1287373908908 is a wasteful number, since it uses less digits than its factorization.

1287373908908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912877 (or 912875 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 65.

The spelling of 1287373908908 in words is "one trillion, two hundred eighty-seven billion, three hundred seventy-three million, nine hundred eight thousand, nine hundred eight".