2012302021 has 2 divisors, whose sum is σ = 2012302022. Its totient is φ = 2012302020.

The previous prime is 2012301997. The next prime is 2012302031. The reversal of 2012302021 is 1202032102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1970116996 + 42185025 = 44386^2 + 6495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012302021 - 2¹¹ = 2012299973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012301992 and 2012302010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012302031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006151010 + 1006151011.

It is an arithmetic number, because the mean of its divisors is an integer number (1006151011).

Almost surely, 2^2012302021 is an apocalyptic number.

It is an amenable number.

2012302021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012302021 is an equidigital number, since it uses as much as digits as its factorization.

2012302021 is an evil number, because the sum of its binary digits is even.

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

The square root of 2012302021 is about 44858.6894703802. The cubic root of 2012302021 is about 1262.4990338979.

Adding to 2012302021 its reverse (1202032102), we get a palindrome (3214334123).

The spelling of 2012302021 in words is "two billion, twelve million, three hundred two thousand, twenty-one".