212664052652479 has 2 divisors, whose sum is σ = 212664052652480. Its totient is φ = 212664052652478.

The previous prime is 212664052652461. The next prime is 212664052652609. The reversal of 212664052652479 is 974256250466212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212664052652479 - 2¹¹ = 212664052650431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212664052652449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106332026326239 + 106332026326240.

It is an arithmetic number, because the mean of its divisors is an integer number (106332026326240).

Almost surely, 2^{212664052652479} is an apocalyptic number.

212664052652479 is a deficient number, since it is larger than the sum of its proper divisors (1).

212664052652479 is an equidigital number, since it uses as much as digits as its factorization.

212664052652479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 212664052652479 in words is "two hundred twelve trillion, six hundred sixty-four billion, fifty-two million, six hundred fifty-two thousand, four hundred seventy-nine".