32130042100 has 72 divisors (see below), whose sum is σ = 75122691840. Its totient is φ = 11857514880.

The previous prime is 32130042071. The next prime is 32130042121. The reversal of 32130042100 is 124003123.

It is a happy number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3301041 + ... + 3310759.

It is an arithmetic number, because the mean of its divisors is an integer number (1043370720).

Almost surely, 2^32130042100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32130042100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37561345920).

32130042100 is an abundant number, since it is smaller than the sum of its proper divisors (42992649740).

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

32130042100 is a wasteful number, since it uses less digits than its factorization.

32130042100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289 (or 12282 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 32130042100 its reverse (124003123), we get a palindrome (32254045223).

The spelling of 32130042100 in words is "thirty-two billion, one hundred thirty million, forty-two thousand, one hundred".