12234202261 has 2 divisors, whose sum is σ = 12234202262. Its totient is φ = 12234202260.

The previous prime is 12234202259. The next prime is 12234202291. The reversal of 12234202261 is 16220243221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12084604900 + 149597361 = 109930^2 + 12231^2 .

It is a cyclic number.

It is not a de Polignac number, because 12234202261 - 2¹ = 12234202259 is a prime.

Together with 12234202259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12234202291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117101130 + 6117101131.

It is an arithmetic number, because the mean of its divisors is an integer number (6117101131).

Almost surely, 2^12234202261 is an apocalyptic number.

It is an amenable number.

12234202261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234202261 is an equidigital number, since it uses as much as digits as its factorization.

12234202261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12234202261 its reverse (16220243221), we get a palindrome (28454445482).

The spelling of 12234202261 in words is "twelve billion, two hundred thirty-four million, two hundred two thousand, two hundred sixty-one".