101212343 has 2 divisors, whose sum is σ = 101212344. Its totient is φ = 101212342.

The previous prime is 101212337. The next prime is 101212357. The reversal of 101212343 is 343212101.

101212343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is an emirp because it is prime and its reverse (343212101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101212343 - 2⁴ = 101212327 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101212333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50606171 + 50606172.

It is an arithmetic number, because the mean of its divisors is an integer number (50606172).

Almost surely, 2^101212343 is an apocalyptic number.

101212343 is a deficient number, since it is larger than the sum of its proper divisors (1).

101212343 is an equidigital number, since it uses as much as digits as its factorization.

101212343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 101212343 is about 10060.4345333589. The cubic root of 101212343 is about 466.0270864790.

Adding to 101212343 its reverse (343212101), we get a palindrome (444424444).

The spelling of 101212343 in words is "one hundred one million, two hundred twelve thousand, three hundred forty-three".