1012887856904 has 96 divisors (see below), whose sum is σ = 2386331539200. Its totient is φ = 394531737600.

The previous prime is 1012887856859. The next prime is 1012887856909. The reversal of 1012887856904 is 4096587882101.

It is not an unprimeable number, because it can be changed into a prime (1012887856909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30346577 + ... + 30379935.

It is an arithmetic number, because the mean of its divisors is an integer number (24857620200).

Almost surely, 2^{1012887856904} is an apocalyptic number.

1012887856904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012887856904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193165769600).

1012887856904 is an abundant number, since it is smaller than the sum of its proper divisors (1373443682296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012887856904 is a wasteful number, since it uses less digits than its factorization.

1012887856904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37875 (or 37860 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 59.

The spelling of 1012887856904 in words is "one trillion, twelve billion, eight hundred eighty-seven million, eight hundred fifty-six thousand, nine hundred four".