1000002000000 has 224 divisors, whose sum is σ = 3320296562160. Its totient is φ = 266665600000.

The previous prime is 1000001999917. The next prime is 1000002000007. The reversal of 1000002000000 is 2000001.

It is a Cunningham number, because it is equal to 1000001²-1.

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (1000002000007) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5916667 + ... + 6083333.

Almost surely, 2^{1000002000000} is an apocalyptic number.

1000002000000 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 1000002000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660148281080).

1000002000000 is an abundant number, since it is smaller than the sum of its proper divisors (2320294562160).

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

1000002000000 is an frugal number, since it uses more digits than its factorization.

1000002000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166714 (or 166677 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 3.

Adding to 1000002000000 its reverse (2000001), we get a palindrome (1000004000001).

Subtracting from 1000002000000 its reverse (2000001), we obtain a palindrome (999999999999).

The spelling of 1000002000000 in words is "one trillion, two million", and thus it is an aban number and an uban number.