212560226653 has 2 divisors, whose sum is σ = 212560226654. Its totient is φ = 212560226652.

The previous prime is 212560226651. The next prime is 212560226677. The reversal of 212560226653 is 356622065212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211657043844 + 903182809 = 460062^2 + 30053^2 .

It is a cyclic number.

It is not a de Polignac number, because 212560226653 - 2¹ = 212560226651 is a prime.

Together with 212560226651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212560226651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106280113326 + 106280113327.

It is an arithmetic number, because the mean of its divisors is an integer number (106280113327).

Almost surely, 2^212560226653 is an apocalyptic number.

It is an amenable number.

212560226653 is a deficient number, since it is larger than the sum of its proper divisors (1).

212560226653 is an equidigital number, since it uses as much as digits as its factorization.

212560226653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 212560226653 in words is "two hundred twelve billion, five hundred sixty million, two hundred twenty-six thousand, six hundred fifty-three".