212012011219927 has 2 divisors, whose sum is σ = 212012011219928. Its totient is φ = 212012011219926.

The previous prime is 212012011219913. The next prime is 212012011220039. The reversal of 212012011219927 is 729912110210212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212012011219927 - 2¹¹ = 212012011217879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212012011219927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212012011219427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006005609963 + 106006005609964.

It is an arithmetic number, because the mean of its divisors is an integer number (106006005609964).

Almost surely, 2^{212012011219927} is an apocalyptic number.

212012011219927 is a deficient number, since it is larger than the sum of its proper divisors (1).

212012011219927 is an equidigital number, since it uses as much as digits as its factorization.

212012011219927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 212012011219927 in words is "two hundred twelve trillion, twelve billion, eleven million, two hundred nineteen thousand, nine hundred twenty-seven".