12020203253 has 2 divisors, whose sum is σ = 12020203254. Its totient is φ = 12020203252.

The previous prime is 12020203231. The next prime is 12020203271. The reversal of 12020203253 is 35230202021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9718410724 + 2301792529 = 98582^2 + 47977^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020203253 - 2⁶ = 12020203189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020203553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010101626 + 6010101627.

It is an arithmetic number, because the mean of its divisors is an integer number (6010101627).

Almost surely, 2^12020203253 is an apocalyptic number.

It is an amenable number.

12020203253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020203253 is an equidigital number, since it uses as much as digits as its factorization.

12020203253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 12020203253 its reverse (35230202021), we get a palindrome (47250405274).

The spelling of 12020203253 in words is "twelve billion, twenty million, two hundred three thousand, two hundred fifty-three".