212165339807027 has 2 divisors, whose sum is σ = 212165339807028. Its totient is φ = 212165339807026.

The previous prime is 212165339806969. The next prime is 212165339807077. The reversal of 212165339807027 is 720708933561212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212165339807027 - 2²² = 212165335612723 is a prime.

It is not a weakly prime, because it can be changed into another prime (212165339807077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106082669903513 + 106082669903514.

It is an arithmetic number, because the mean of its divisors is an integer number (106082669903514).

Almost surely, 2^{212165339807027} is an apocalyptic number.

212165339807027 is a deficient number, since it is larger than the sum of its proper divisors (1).

212165339807027 is an equidigital number, since it uses as much as digits as its factorization.

212165339807027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 212165339807027 in words is "two hundred twelve trillion, one hundred sixty-five billion, three hundred thirty-nine million, eight hundred seven thousand, twenty-seven".