10001001000912 has 40 divisors (see below), whose sum is σ = 25865856693504. Its totient is φ = 3329804104704.

The previous prime is 10001001000911. The next prime is 10001001000923. The reversal of 10001001000912 is 21900010010001.

It is a junction number, because it is equal to n+sod(n) for n = 10001001000891 and 10001001000900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001001000911) 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 7 ways as a sum of consecutive naturals, for example, 120673633 + ... + 120756480.

Almost surely, 2^{10001001000912} is an apocalyptic number.

10001001000912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10001001000912 is an abundant number, since it is smaller than the sum of its proper divisors (15864855692592).

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

10001001000912 is a wasteful number, since it uses less digits than its factorization.

10001001000912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241430987 (or 241430981 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 10001001000912 its reverse (21900010010001), we get a palindrome (31901011010913).

The spelling of 10001001000912 in words is "ten trillion, one billion, one million, nine hundred twelve", and thus it is an aban number.