199999910000010 has 128 divisors (see below), whose sum is σ = 518400000000000. Its totient is φ = 49230700307712.

The previous prime is 199999909999979. The next prime is 199999910000087. The reversal of 199999910000010 is 10000019999991.

199999910000010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

199999910000010 is a nontrivial binomial coefficient, being equal to C(19999996, 2).

It is a junction number, because it is equal to n+sod(n) for n = 199999909999896 and 199999909999905.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37499991 + ... + 42499989.

It is an arithmetic number, because the mean of its divisors is an integer number (4050000000000).

Almost surely, 2^{199999910000010} is an apocalyptic number.

199999910000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199999910000010 is the 19999995-th triangular number and also the 9999998-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199999910000010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259200000000000).

199999910000010 is an abundant number, since it is smaller than the sum of its proper divisors (318400089999990).

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

199999910000010 is a wasteful number, since it uses less digits than its factorization.

199999910000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002060.

The product of its (nonzero) digits is 531441, while the sum is 57.

The spelling of 199999910000010 in words is "one hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ten million, ten", and thus it is an aban number.