2012000102021 has 32 divisors (see below), whose sum is σ = 2560019497728. Its totient is φ = 1538860861440.

The previous prime is 2012000102017. The next prime is 2012000102051. The reversal of 2012000102021 is 1202010002102.

It is a happy number.

It is not a de Polignac number, because 2012000102021 - 2² = 2012000102017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2012000101993 and 2012000102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012000102051) 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 31 ways as a sum of consecutive naturals, for example, 2270870 + ... + 3029991.

It is an arithmetic number, because the mean of its divisors is an integer number (80000609304).

Almost surely, 2^{2012000102021} is an apocalyptic number.

It is an amenable number.

2012000102021 is a deficient number, since it is larger than the sum of its proper divisors (548019395707).

2012000102021 is a wasteful number, since it uses less digits than its factorization.

2012000102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301021.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2012000102021 its reverse (1202010002102), we get a palindrome (3214010104123).

The spelling of 2012000102021 in words is "two trillion, twelve billion, one hundred two thousand, twenty-one".