12235540433 has 2 divisors, whose sum is σ = 12235540434. Its totient is φ = 12235540432.

The previous prime is 12235540399. The next prime is 12235540477. The reversal of 12235540433 is 33404553221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8653278529 + 3582261904 = 93023^2 + 59852^2 .

It is a cyclic number.

It is not a de Polignac number, because 12235540433 - 2²⁴ = 12218763217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12235540433.

It is not a weakly prime, because it can be changed into another prime (12235540633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117770216 + 6117770217.

It is an arithmetic number, because the mean of its divisors is an integer number (6117770217).

Almost surely, 2^12235540433 is an apocalyptic number.

It is an amenable number.

12235540433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12235540433 is an equidigital number, since it uses as much as digits as its factorization.

12235540433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 12235540433 in words is "twelve billion, two hundred thirty-five million, five hundred forty thousand, four hundred thirty-three".