2012013020221 has 2 divisors, whose sum is σ = 2012013020222. Its totient is φ = 2012013020220.

The previous prime is 2012013020189. The next prime is 2012013020239. The reversal of 2012013020221 is 1220203102102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1987575514596 + 24437505625 = 1409814^2 + 156325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012013020221 - 2⁵ = 2012013020189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012013020195 and 2012013020204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012013020291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006006510110 + 1006006510111.

It is an arithmetic number, because the mean of its divisors is an integer number (1006006510111).

Almost surely, 2^{2012013020221} is an apocalyptic number.

It is an amenable number.

2012013020221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012013020221 is an equidigital number, since it uses as much as digits as its factorization.

2012013020221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2012013020221 its reverse (1220203102102), we get a palindrome (3232216122323).

The spelling of 2012013020221 in words is "two trillion, twelve billion, thirteen million, twenty thousand, two hundred twenty-one".