12232433261 has 2 divisors, whose sum is σ = 12232433262. Its totient is φ = 12232433260.

The previous prime is 12232433237. The next prime is 12232433329. The reversal of 12232433261 is 16233423221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11812429225 + 420004036 = 108685^2 + 20494^2 .

It is an emirp because it is prime and its reverse (16233423221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12232433261 - 2⁶ = 12232433197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12232433461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116216630 + 6116216631.

It is an arithmetic number, because the mean of its divisors is an integer number (6116216631).

Almost surely, 2^12232433261 is an apocalyptic number.

It is an amenable number.

12232433261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12232433261 is an equidigital number, since it uses as much as digits as its factorization.

12232433261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 29.

Adding to 12232433261 its reverse (16233423221), we get a palindrome (28465856482).

The spelling of 12232433261 in words is "twelve billion, two hundred thirty-two million, four hundred thirty-three thousand, two hundred sixty-one".