212769919099 has 2 divisors, whose sum is σ = 212769919100. Its totient is φ = 212769919098.

The previous prime is 212769919093. The next prime is 212769919151. The reversal of 212769919099 is 990919967212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212769919099 - 2¹⁵ = 212769886331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212769919099.

It is not a weakly prime, because it can be changed into another prime (212769919093) 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, 106384959549 + 106384959550.

It is an arithmetic number, because the mean of its divisors is an integer number (106384959550).

Almost surely, 2^212769919099 is an apocalyptic number.

212769919099 is a deficient number, since it is larger than the sum of its proper divisors (1).

212769919099 is an equidigital number, since it uses as much as digits as its factorization.

212769919099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9920232, while the sum is 64.

The spelling of 212769919099 in words is "two hundred twelve billion, seven hundred sixty-nine million, nine hundred nineteen thousand, ninety-nine".