5112240209 has 2 divisors, whose sum is σ = 5112240210. Its totient is φ = 5112240208.

The previous prime is 5112240169. The next prime is 5112240223. The reversal of 5112240209 is 9020422115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3237610000 + 1874630209 = 56900^2 + 43297^2 .

It is a cyclic number.

It is not a de Polignac number, because 5112240209 - 2⁸ = 5112239953 is a prime.

It is a super-2 number, since 2×5112240209² = 52269999909032727362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5112240229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556120104 + 2556120105.

It is an arithmetic number, because the mean of its divisors is an integer number (2556120105).

Almost surely, 2^5112240209 is an apocalyptic number.

It is an amenable number.

5112240209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5112240209 is an equidigital number, since it uses as much as digits as its factorization.

5112240209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 5112240209 is about 71499.9315314357. The cubic root of 5112240209 is about 1722.6765845326.

The spelling of 5112240209 in words is "five billion, one hundred twelve million, two hundred forty thousand, two hundred nine".