12145233253 has 2 divisors, whose sum is σ = 12145233254. Its totient is φ = 12145233252.

The previous prime is 12145233229. The next prime is 12145233299. The reversal of 12145233253 is 35233254121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12126854884 + 18378369 = 110122^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145233253 - 2¹⁷ = 12145102181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12145233223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072616626 + 6072616627.

It is an arithmetic number, because the mean of its divisors is an integer number (6072616627).

Almost surely, 2^12145233253 is an apocalyptic number.

It is an amenable number.

12145233253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145233253 is an equidigital number, since it uses as much as digits as its factorization.

12145233253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

Adding to 12145233253 its reverse (35233254121), we get a palindrome (47378487374).

The spelling of 12145233253 in words is "twelve billion, one hundred forty-five million, two hundred thirty-three thousand, two hundred fifty-three".