2012278776899 has 2 divisors, whose sum is σ = 2012278776900. Its totient is φ = 2012278776898.

The previous prime is 2012278776811. The next prime is 2012278776919. The reversal of 2012278776899 is 9986778722102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012278776899 - 2²⁰ = 2012277728323 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012278776499) 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, 1006139388449 + 1006139388450.

It is an arithmetic number, because the mean of its divisors is an integer number (1006139388450).

Almost surely, 2^{2012278776899} is an apocalyptic number.

2012278776899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012278776899 is an equidigital number, since it uses as much as digits as its factorization.

2012278776899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 68.

The spelling of 2012278776899 in words is "two trillion, twelve billion, two hundred seventy-eight million, seven hundred seventy-six thousand, eight hundred ninety-nine".