212301221001253 has 2 divisors, whose sum is σ = 212301221001254. Its totient is φ = 212301221001252.

The previous prime is 212301221001173. The next prime is 212301221001277. The reversal of 212301221001253 is 352100122103212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118944696755329 + 93356524245924 = 10906177^2 + 9662118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212301221001253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212301221001293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106150610500626 + 106150610500627.

It is an arithmetic number, because the mean of its divisors is an integer number (106150610500627).

Almost surely, 2^{212301221001253} is an apocalyptic number.

It is an amenable number.

212301221001253 is a deficient number, since it is larger than the sum of its proper divisors (1).

212301221001253 is an equidigital number, since it uses as much as digits as its factorization.

212301221001253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 212301221001253 its reverse (352100122103212), we get a palindrome (564401343104465).

The spelling of 212301221001253 in words is "two hundred twelve trillion, three hundred one billion, two hundred twenty-one million, one thousand, two hundred fifty-three".