12211201253 has 2 divisors, whose sum is σ = 12211201254. Its totient is φ = 12211201252.

The previous prime is 12211201241. The next prime is 12211201273. The reversal of 12211201253 is 35210211221.

It is an a-pointer prime, because the next prime (12211201273) can be obtained adding 12211201253 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8299574404 + 3911626849 = 91102^2 + 62543^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211201253 - 2¹⁸ = 12210939109 is a prime.

It is a super-2 number, since 2×12211201253² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211201213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105600626 + 6105600627.

It is an arithmetic number, because the mean of its divisors is an integer number (6105600627).

Almost surely, 2^12211201253 is an apocalyptic number.

It is an amenable number.

12211201253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211201253 is an equidigital number, since it uses as much as digits as its factorization.

12211201253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12211201253 its reverse (35210211221), we get a palindrome (47421412474).

The spelling of 12211201253 in words is "twelve billion, two hundred eleven million, two hundred one thousand, two hundred fifty-three".