12551022041 has 2 divisors, whose sum is σ = 12551022042. Its totient is φ = 12551022040.

The previous prime is 12551022037. The next prime is 12551022059. The reversal of 12551022041 is 14022015521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7438200025 + 5112822016 = 86245^2 + 71504^2 .

It is a cyclic number.

It is not a de Polignac number, because 12551022041 - 2² = 12551022037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12551021998 and 12551022016.

It is not a weakly prime, because it can be changed into another prime (12551022241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275511020 + 6275511021.

It is an arithmetic number, because the mean of its divisors is an integer number (6275511021).

Almost surely, 2^12551022041 is an apocalyptic number.

It is an amenable number.

12551022041 is a deficient number, since it is larger than the sum of its proper divisors (1).

12551022041 is an equidigital number, since it uses as much as digits as its factorization.

12551022041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 12551022041 its reverse (14022015521), we get a palindrome (26573037562).

The spelling of 12551022041 in words is "twelve billion, five hundred fifty-one million, twenty-two thousand, forty-one".