5212071121 has 2 divisors, whose sum is σ = 5212071122. Its totient is φ = 5212071120.

The previous prime is 5212071103. The next prime is 5212071173. The reversal of 5212071121 is 1211702125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4480963600 + 731107521 = 66940^2 + 27039^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212071121 - 2¹⁹ = 5211546833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5212071092 and 5212071101.

It is not a weakly prime, because it can be changed into another prime (5212077121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606035560 + 2606035561.

It is an arithmetic number, because the mean of its divisors is an integer number (2606035561).

Almost surely, 2^5212071121 is an apocalyptic number.

It is an amenable number.

5212071121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212071121 is an equidigital number, since it uses as much as digits as its factorization.

5212071121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 5212071121 is about 72194.6751568286. The cubic root of 5212071121 is about 1733.8177486765.

Adding to 5212071121 its reverse (1211702125), we get a palindrome (6423773246).

The spelling of 5212071121 in words is "five billion, two hundred twelve million, seventy-one thousand, one hundred twenty-one".