2012440099 has 2 divisors, whose sum is σ = 2012440100. Its totient is φ = 2012440098.

The previous prime is 2012440091. The next prime is 2012440147. The reversal of 2012440099 is 9900442102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2012440099 - 2³ = 2012440091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012440099.

It is not a weakly prime, because it can be changed into another prime (2012440091) 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, 1006220049 + 1006220050.

It is an arithmetic number, because the mean of its divisors is an integer number (1006220050).

Almost surely, 2^2012440099 is an apocalyptic number.

2012440099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012440099 is an equidigital number, since it uses as much as digits as its factorization.

2012440099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2012440099 is about 44860.2284769037. The cubic root of 2012440099 is about 1262.5279095095.

The spelling of 2012440099 in words is "two billion, twelve million, four hundred forty thousand, ninety-nine".