212001103253 has 2 divisors, whose sum is σ = 212001103254. Its totient is φ = 212001103252.

The previous prime is 212001103199. The next prime is 212001103267. The reversal of 212001103253 is 352301100212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 168200054884 + 43801048369 = 410122^2 + 209287^2 .

It is a cyclic number.

It is not a de Polignac number, because 212001103253 - 2⁶ = 212001103189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212001103273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106000551626 + 106000551627.

It is an arithmetic number, because the mean of its divisors is an integer number (106000551627).

Almost surely, 2^212001103253 is an apocalyptic number.

It is an amenable number.

212001103253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212001103253 is an equidigital number, since it uses as much as digits as its factorization.

212001103253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 212001103253 its reverse (352301100212), we get a palindrome (564302203465).

The spelling of 212001103253 in words is "two hundred twelve billion, one million, one hundred three thousand, two hundred fifty-three".