2002120002003 has 16 divisors (see below), whose sum is σ = 2920424351616. Its totient is φ = 1209968643840.

The previous prime is 2002120001989. The next prime is 2002120002007. The reversal of 2002120002003 is 3002000212002.

It is not a de Polignac number, because 2002120002003 - 2⁵ = 2002120001971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2002120002003.

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 15 ways as a sum of consecutive naturals, for example, 85923625 + ... + 85946922.

It is an arithmetic number, because the mean of its divisors is an integer number (182526521976).

Almost surely, 2^{2002120002003} is an apocalyptic number.

2002120002003 is a deficient number, since it is larger than the sum of its proper divisors (918304349613).

2002120002003 is a wasteful number, since it uses less digits than its factorization.

2002120002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171870914.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 2002120002003 its reverse (3002000212002), we get a palindrome (5004120214005).

The spelling of 2002120002003 in words is "two trillion, two billion, one hundred twenty million, two thousand, three".