1010200010000 has 200 divisors, whose sum is σ = 2613471890040. Its totient is φ = 376814592000.

The previous prime is 1010200009993. The next prime is 1010200010009. The reversal of 1010200010000 is 100020101.

It is a happy number.

1010200010000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 20 ways, for example, as 683948848144 + 326251161856 = 827012^2 + 571184^2 .

It is a tau number, because it is divible by the number of its divisors (200).

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

It is not an unprimeable number, because it can be changed into a prime (1010200010009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18502742 + ... + 18557258.

Almost surely, 2^{1010200010000} is an apocalyptic number.

1010200010000 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 1010200010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306735945020).

1010200010000 is an abundant number, since it is smaller than the sum of its proper divisors (1603271880040).

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

1010200010000 is a wasteful number, since it uses less digits than its factorization.

1010200010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54671 (or 54650 counting only the distinct ones).

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

Adding to 1010200010000 its reverse (100020101), we get a palindrome (1010300030101).

The spelling of 1010200010000 in words is "one trillion, ten billion, two hundred million, ten thousand".