2002120002002 has 16 divisors (see below), whose sum is σ = 3008644513560. Its totient is φ = 999239916288.

The previous prime is 2002120001989. The next prime is 2002120002007. The reversal of 2002120002002 is 2002000212002.

It can be written as a sum of positive squares in 4 ways, for example, as 1972954535161 + 29165466841 = 1404619^2 + 170779^2 .

It is not an unprimeable number, because it can be changed into a prime (2002120002007) 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, 2479124 + ... + 3185952.

Almost surely, 2^{2002120002002} is an apocalyptic number.

2002120002002 is a deficient number, since it is larger than the sum of its proper divisors (1006524511558).

2002120002002 is a wasteful number, since it uses less digits than its factorization.

2002120002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709405.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 2002120002002 its reverse (2002000212002), we get a palindrome (4004120214004).

The spelling of 2002120002002 in words is "two trillion, two billion, one hundred twenty million, two thousand, two".