12235532437 has 2 divisors, whose sum is σ = 12235532438. Its totient is φ = 12235532436.

The previous prime is 12235532381. The next prime is 12235532443. The reversal of 12235532437 is 73423553221.

12235532437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6530902596 + 5704629841 = 80814^2 + 75529^2 .

It is a cyclic number.

It is not a de Polignac number, because 12235532437 - 2¹⁵ = 12235499669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12235532396 and 12235532405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12235535437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117766218 + 6117766219.

It is an arithmetic number, because the mean of its divisors is an integer number (6117766219).

Almost surely, 2^12235532437 is an apocalyptic number.

It is an amenable number.

12235532437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12235532437 is an equidigital number, since it uses as much as digits as its factorization.

12235532437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 37.

The spelling of 12235532437 in words is "twelve billion, two hundred thirty-five million, five hundred thirty-two thousand, four hundred thirty-seven".