212112253 has 2 divisors, whose sum is σ = 212112254. Its totient is φ = 212112252.

The previous prime is 212112223. The next prime is 212112259. The reversal of 212112253 is 352211212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111049444 + 101062809 = 10538^2 + 10053^2 .

It is a cyclic number.

It is not a de Polignac number, because 212112253 - 2⁹ = 212111741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212112253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212112259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106056126 + 106056127.

It is an arithmetic number, because the mean of its divisors is an integer number (106056127).

Almost surely, 2^212112253 is an apocalyptic number.

It is an amenable number.

212112253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212112253 is an equidigital number, since it uses as much as digits as its factorization.

212112253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240, while the sum is 19.

The square root of 212112253 is about 14564.0740522699. The cubic root of 212112253 is about 596.3784184864.

Adding to 212112253 its reverse (352211212), we get a palindrome (564323465).

The spelling of 212112253 in words is "two hundred twelve million, one hundred twelve thousand, two hundred fifty-three".