12265442429 has 2 divisors, whose sum is σ = 12265442430. Its totient is φ = 12265442428.

The previous prime is 12265442417. The next prime is 12265442443. The reversal of 12265442429 is 92424456221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10578122500 + 1687319929 = 102850^2 + 41077^2 .

It is a cyclic number.

It is not a de Polignac number, because 12265442429 - 2¹² = 12265438333 is a prime.

It is a super-2 number, since 2×12265442429² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12265442459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6132721214 + 6132721215.

It is an arithmetic number, because the mean of its divisors is an integer number (6132721215).

Almost surely, 2^12265442429 is an apocalyptic number.

It is an amenable number.

12265442429 is a deficient number, since it is larger than the sum of its proper divisors (1).

12265442429 is an equidigital number, since it uses as much as digits as its factorization.

12265442429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The spelling of 12265442429 in words is "twelve billion, two hundred sixty-five million, four hundred forty-two thousand, four hundred twenty-nine".