1012002002002 has 16 divisors (see below), whose sum is σ = 1534809399552. Its totient is φ = 500410481200.

The previous prime is 1012002001949. The next prime is 1012002002003. The reversal of 1012002002002 is 2002002002101.

1012002002002 is a modest number, since divided by 2002002 gives 1012 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1012002002002.

It is not an unprimeable number, because it can be changed into a prime (1012002002003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728288 + ... + 3076939.

It is an arithmetic number, because the mean of its divisors is an integer number (95925587472).

Almost surely, 2^{1012002002002} is an apocalyptic number.

1012002002002 is a deficient number, since it is larger than the sum of its proper divisors (522807397550).

1012002002002 is a wasteful number, since it uses less digits than its factorization.

1012002002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806193.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1012002002002 its reverse (2002002002101), we get a palindrome (3014004004103).

Subtracting 1012002002002 from its reverse (2002002002101), we obtain a palindrome (990000000099).

It can be divided in two parts, 101 and 2002002002, that multiplied together give a palindrome (202202202202).

The spelling of 1012002002002 in words is "one trillion, twelve billion, two million, two thousand, two".