207212113 has 2 divisors, whose sum is σ = 207212114. Its totient is φ = 207212112.

The previous prime is 207212111. The next prime is 207212149. The reversal of 207212113 is 311212702.

207212113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133818624 + 73393489 = 11568^2 + 8567^2 .

It is a cyclic number.

It is not a de Polignac number, because 207212113 - 2¹ = 207212111 is a prime.

Together with 207212111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (207212111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103606056 + 103606057.

It is an arithmetic number, because the mean of its divisors is an integer number (103606057).

Almost surely, 2^207212113 is an apocalyptic number.

It is an amenable number.

207212113 is a deficient number, since it is larger than the sum of its proper divisors (1).

207212113 is an equidigital number, since it uses as much as digits as its factorization.

207212113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 207212113 is about 14394.8641188446. The cubic root of 207212113 is about 591.7501542265.

Adding to 207212113 its reverse (311212702), we get a palindrome (518424815).

The spelling of 207212113 in words is "two hundred seven million, two hundred twelve thousand, one hundred thirteen".