2012120263 has 2 divisors, whose sum is σ = 2012120264. Its totient is φ = 2012120262.

The previous prime is 2012120219. The next prime is 2012120329. The reversal of 2012120263 is 3620212102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012120263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012120263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2012120863) 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, 1006060131 + 1006060132.

It is an arithmetic number, because the mean of its divisors is an integer number (1006060132).

Almost surely, 2^2012120263 is an apocalyptic number.

2012120263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012120263 is an equidigital number, since it uses as much as digits as its factorization.

2012120263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2012120263 is about 44856.6635295137. The cubic root of 2012120263 is about 1262.4610216767.

Adding to 2012120263 its reverse (3620212102), we get a palindrome (5632332365).

The spelling of 2012120263 in words is "two billion, twelve million, one hundred twenty thousand, two hundred sixty-three".