2012300200021 has 4 divisors (see below), whose sum is σ = 2020317332544. Its totient is φ = 2004283067500.

The previous prime is 2012300199997. The next prime is 2012300200033. The reversal of 2012300200021 is 1200020032102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2012300200021 - 2⁹ = 2012300199509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2012300199974 and 2012300200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012300209021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4008565885 + ... + 4008566386.

It is an arithmetic number, because the mean of its divisors is an integer number (505079333136).

Almost surely, 2^{2012300200021} is an apocalyptic number.

It is an amenable number.

2012300200021 is a deficient number, since it is larger than the sum of its proper divisors (8017132523).

2012300200021 is an equidigital number, since it uses as much as digits as its factorization.

2012300200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017132522.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2012300200021 its reverse (1200020032102), we get a palindrome (3212320232123).

The spelling of 2012300200021 in words is "two trillion, twelve billion, three hundred million, two hundred thousand, twenty-one".