10000999992 has 32 divisors (see below), whose sum is σ = 25005052800. Its totient is φ = 3333326304.

The previous prime is 10000999991. The next prime is 10000999997. The reversal of 10000999992 is 29999900001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000999991) 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, 353259 + ... + 380517.

It is an arithmetic number, because the mean of its divisors is an integer number (781407900).

Almost surely, 2^10000999992 is an apocalyptic number.

10000999992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10000999992 is an abundant number, since it is smaller than the sum of its proper divisors (15004052808).

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

10000999992 is a wasteful number, since it uses less digits than its factorization.

10000999992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42555 (or 42551 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 48.

The spelling of 10000999992 in words is "ten billion, nine hundred ninety-nine thousand, nine hundred ninety-two".