100010120000 has 140 divisors (see below), whose sum is σ = 283420901280. Its totient is φ = 34289088000.

The previous prime is 100010119999. The next prime is 100010120003. The reversal of 100010120000 is 21010001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (140).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100010120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 101411 + ... + 458589.

Almost surely, 2^100010120000 is an apocalyptic number.

100010120000 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 100010120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141710450640).

100010120000 is an abundant number, since it is smaller than the sum of its proper divisors (183410781280).

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

100010120000 is an frugal number, since it uses more digits than its factorization.

100010120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357218 (or 357193 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 100010120000 its reverse (21010001), we get a palindrome (100031130001).

The spelling of 100010120000 in words is "one hundred billion, ten million, one hundred twenty thousand".