12201121253 has 2 divisors, whose sum is σ = 12201121254. Its totient is φ = 12201121252.

The previous prime is 12201121249. The next prime is 12201121333. The reversal of 12201121253 is 35212110221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7736609764 + 4464511489 = 87958^2 + 66817^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201121253 - 2² = 12201121249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201111253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100560626 + 6100560627.

It is an arithmetic number, because the mean of its divisors is an integer number (6100560627).

Almost surely, 2^12201121253 is an apocalyptic number.

It is an amenable number.

12201121253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201121253 is an equidigital number, since it uses as much as digits as its factorization.

12201121253 is an odious number, because the sum of its binary digits is odd.

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

Adding to 12201121253 its reverse (35212110221), we get a palindrome (47413231474).

The spelling of 12201121253 in words is "twelve billion, two hundred one million, one hundred twenty-one thousand, two hundred fifty-three".