100002012020000 has 240 divisors, whose sum is σ = 247392628892640. Its totient is φ = 39777785856000.

The previous prime is 100002012019999. The next prime is 100002012020017. The reversal of 100002012020000 is 20210200001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 100002012020000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17304377111 + ... + 17304382889.

It is an arithmetic number, because the mean of its divisors is an integer number (1030802620386).

Almost surely, 2^{100002012020000} is an apocalyptic number.

100002012020000 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 100002012020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123696314446320).

100002012020000 is an abundant number, since it is smaller than the sum of its proper divisors (147390616872640).

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

100002012020000 is an equidigital number, since it uses as much as digits as its factorization.

100002012020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10485 (or 10462 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100002012020000 its reverse (20210200001), we get a palindrome (100022222220001).

The spelling of 100002012020000 in words is "one hundred trillion, two billion, twelve million, twenty thousand".