101212110210247 has 2 divisors, whose sum is σ = 101212110210248. Its totient is φ = 101212110210246.

The previous prime is 101212110210121. The next prime is 101212110210301. The reversal of 101212110210247 is 742012011212101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101212110210247 is a prime.

It is a super-2 number, since 2×101212110210247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212110210047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606055105123 + 50606055105124.

It is an arithmetic number, because the mean of its divisors is an integer number (50606055105124).

Almost surely, 2^{101212110210247} is an apocalyptic number.

101212110210247 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212110210247 is an equidigital number, since it uses as much as digits as its factorization.

101212110210247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 25.

Adding to 101212110210247 its reverse (742012011212101), we get a palindrome (843224121422348).

The spelling of 101212110210247 in words is "one hundred one trillion, two hundred twelve billion, one hundred ten million, two hundred ten thousand, two hundred forty-seven".