2012233221289 has 2 divisors, whose sum is σ = 2012233221290. Its totient is φ = 2012233221288.

The previous prime is 2012233221247. The next prime is 2012233221373. The reversal of 2012233221289 is 9821223322102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1492103781289 + 520129440000 = 1221517^2 + 721200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012233221289 - 2²⁵ = 2012199666857 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012233221389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006116610644 + 1006116610645.

It is an arithmetic number, because the mean of its divisors is an integer number (1006116610645).

Almost surely, 2^{2012233221289} is an apocalyptic number.

It is an amenable number.

2012233221289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012233221289 is an equidigital number, since it uses as much as digits as its factorization.

2012233221289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 2012233221289 in words is "two trillion, twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred eighty-nine".