212239146682291 has 2 divisors, whose sum is σ = 212239146682292. Its totient is φ = 212239146682290.

The previous prime is 212239146682249. The next prime is 212239146682391. The reversal of 212239146682291 is 192286641932212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212239146682291 - 2³¹ = 212236999198643 is a prime.

It is not a weakly prime, because it can be changed into another prime (212239146682091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106119573341145 + 106119573341146.

It is an arithmetic number, because the mean of its divisors is an integer number (106119573341146).

Almost surely, 2^{212239146682291} is an apocalyptic number.

212239146682291 is a deficient number, since it is larger than the sum of its proper divisors (1).

212239146682291 is an equidigital number, since it uses as much as digits as its factorization.

212239146682291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 58.

The spelling of 212239146682291 in words is "two hundred twelve trillion, two hundred thirty-nine billion, one hundred forty-six million, six hundred eighty-two thousand, two hundred ninety-one".