100000130000 has 100 divisors (see below), whose sum is σ = 242695615668. Its totient is φ = 39903360000.

The previous prime is 100000129987. The next prime is 100000130023. The reversal of 100000130000 is 31000001.

It can be written as a sum of positive squares in 10 ways, for example, as 93719250496 + 6280879504 = 306136^2 + 79252^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (5).

100000130000 is a modest number, since divided by 130000 gives 100000 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4198124 + ... + 4221876.

Almost surely, 2^100000130000 is an apocalyptic number.

100000130000 is a gapful number since it is divisible by the number (10) 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 100000130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121347807834).

100000130000 is an abundant number, since it is smaller than the sum of its proper divisors (142695485668).

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

100000130000 is an equidigital number, since it uses as much as digits as its factorization.

100000130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24202 (or 24181 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 5.

Adding to 100000130000 its reverse (31000001), we get a palindrome (100031130001).

The spelling of 100000130000 in words is "one hundred billion, one hundred thirty thousand".