32100030000 has 400 divisors, whose sum is σ = 117084396000. Its totient is φ = 8415360000.

The previous prime is 32100029981. The next prime is 32100030077. The reversal of 32100030000 is 3000123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 16469026 + ... + 16470974.

It is an arithmetic number, because the mean of its divisors is an integer number (292710990).

Almost surely, 2^32100030000 is an apocalyptic number.

32100030000 is a gapful number since it is divisible by the number (30) 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 32100030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58542198000).

32100030000 is an abundant number, since it is smaller than the sum of its proper divisors (84984366000).

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

32100030000 is a wasteful number, since it uses less digits than its factorization.

32100030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 32100030000 its reverse (3000123), we get a palindrome (32103030123).

The spelling of 32100030000 in words is "thirty-two billion, one hundred million, thirty thousand".