2012012021263 has 2 divisors, whose sum is σ = 2012012021264. Its totient is φ = 2012012021262.

The previous prime is 2012012021233. The next prime is 2012012021267. The reversal of 2012012021263 is 3621202102102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012012021263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012012021267) 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 as a sum of consecutive naturals, namely, 1006006010631 + 1006006010632.

It is an arithmetic number, because the mean of its divisors is an integer number (1006006010632).

Almost surely, 2^{2012012021263} is an apocalyptic number.

2012012021263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012012021263 is an equidigital number, since it uses as much as digits as its factorization.

2012012021263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2012012021263 its reverse (3621202102102), we get a palindrome (5633214123365).

The spelling of 2012012021263 in words is "two trillion, twelve billion, twelve million, twenty-one thousand, two hundred sixty-three".