12254744461 has 2 divisors, whose sum is σ = 12254744462. Its totient is φ = 12254744460.

The previous prime is 12254744441. The next prime is 12254744483. The reversal of 12254744461 is 16444745221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12248955625 + 5788836 = 110675^2 + 2406^2 .

It is an emirp because it is prime and its reverse (16444745221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12254744461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12254744441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127372230 + 6127372231.

It is an arithmetic number, because the mean of its divisors is an integer number (6127372231).

Almost surely, 2^12254744461 is an apocalyptic number.

It is an amenable number.

12254744461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254744461 is an equidigital number, since it uses as much as digits as its factorization.

12254744461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 40.

The spelling of 12254744461 in words is "twelve billion, two hundred fifty-four million, seven hundred forty-four thousand, four hundred sixty-one".