12242543441 has 2 divisors, whose sum is σ = 12242543442. Its totient is φ = 12242543440.

The previous prime is 12242543407. The next prime is 12242543449. The reversal of 12242543441 is 14434524221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10775270416 + 1467273025 = 103804^2 + 38305^2 .

It is a cyclic number.

It is not a de Polignac number, because 12242543441 - 2⁶ = 12242543377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12242543398 and 12242543407.

It is not a weakly prime, because it can be changed into another prime (12242543449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6121271720 + 6121271721.

It is an arithmetic number, because the mean of its divisors is an integer number (6121271721).

Almost surely, 2^12242543441 is an apocalyptic number.

It is an amenable number.

12242543441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242543441 is an equidigital number, since it uses as much as digits as its factorization.

12242543441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 32.

The spelling of 12242543441 in words is "twelve billion, two hundred forty-two million, five hundred forty-three thousand, four hundred forty-one".