999910132200 has 384 divisors, whose sum is σ = 3937712256000. Its totient is φ = 228460435200.

The previous prime is 999910132187. The next prime is 999910132201. The reversal of 999910132200 is 2231019999.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (999910132201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 160987095 + ... + 160993305.

It is an arithmetic number, because the mean of its divisors is an integer number (10254459000).

Almost surely, 2^999910132200 is an apocalyptic number.

999910132200 is a gapful number since it is divisible by the number (90) 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 999910132200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968856128000).

999910132200 is an abundant number, since it is smaller than the sum of its proper divisors (2937802123800).

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

999910132200 is a wasteful number, since it uses less digits than its factorization.

999910132200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10502 (or 10487 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The spelling of 999910132200 in words is "nine hundred ninety-nine billion, nine hundred ten million, one hundred thirty-two thousand, two hundred".