2002012100213 has 4 divisors (see below), whose sum is σ = 2002016606700. Its totient is φ = 2002007593728.

The previous prime is 2002012100167. The next prime is 2002012100269. The reversal of 2002012100213 is 3120012102002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 880281162289 + 1121730937924 = 938233^2 + 1059118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002012100213 - 2¹⁶ = 2002012034677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002012100293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1503770 + ... + 2503067.

It is an arithmetic number, because the mean of its divisors is an integer number (500504151675).

Almost surely, 2^{2002012100213} is an apocalyptic number.

It is an amenable number.

2002012100213 is a deficient number, since it is larger than the sum of its proper divisors (4506487).

2002012100213 is an equidigital number, since it uses as much as digits as its factorization.

2002012100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506486.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2002012100213 its reverse (3120012102002), we get a palindrome (5122024202215).

The spelling of 2002012100213 in words is "two trillion, two billion, twelve million, one hundred thousand, two hundred thirteen".