212330011247 has 2 divisors, whose sum is σ = 212330011248. Its totient is φ = 212330011246.

The previous prime is 212330011177. The next prime is 212330011343. The reversal of 212330011247 is 742110033212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212330011247 - 2¹⁰ = 212330010223 is a prime.

It is a super-2 number, since 2×212330011247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212330011847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165005623 + 106165005624.

It is an arithmetic number, because the mean of its divisors is an integer number (106165005624).

Almost surely, 2^212330011247 is an apocalyptic number.

212330011247 is a deficient number, since it is larger than the sum of its proper divisors (1).

212330011247 is an equidigital number, since it uses as much as digits as its factorization.

212330011247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 212330011247 its reverse (742110033212), we get a palindrome (954440044459).

The spelling of 212330011247 in words is "two hundred twelve billion, three hundred thirty million, eleven thousand, two hundred forty-seven".