212009879027 has 2 divisors, whose sum is σ = 212009879028. Its totient is φ = 212009879026.

The previous prime is 212009879009. The next prime is 212009879071. The reversal of 212009879027 is 720978900212.

212009879027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212009879027 - 2³² = 207714911731 is a prime.

It is not a weakly prime, because it can be changed into another prime (212009873027) 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, 106004939513 + 106004939514.

It is an arithmetic number, because the mean of its divisors is an integer number (106004939514).

Almost surely, 2^212009879027 is an apocalyptic number.

212009879027 is a deficient number, since it is larger than the sum of its proper divisors (1).

212009879027 is an equidigital number, since it uses as much as digits as its factorization.

212009879027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 47.

The spelling of 212009879027 in words is "two hundred twelve billion, nine million, eight hundred seventy-nine thousand, twenty-seven".