1001002000002 has 16 divisors (see below), whose sum is σ = 2002284047232. Its totient is φ = 333620658800.

The previous prime is 1001001999937. The next prime is 1001002000051. The reversal of 1001002000002 is 2000002001001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11622153 + ... + 11707964.

It is an arithmetic number, because the mean of its divisors is an integer number (125142752952).

Almost surely, 2^{1001002000002} is an apocalyptic number.

1001002000002 is an abundant number, since it is smaller than the sum of its proper divisors (1001282047230).

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

1001002000002 is a wasteful number, since it uses less digits than its factorization.

1001002000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23337273.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 1001002000002 its reverse (2000002001001), we get a palindrome (3001004001003).

Subtracting 1001002000002 from its reverse (2000002001001), we obtain a palindrome (999000000999).

The spelling of 1001002000002 in words is "one trillion, one billion, two million, two", and thus it is an aban number and an uban number.