12234441977 has 2 divisors, whose sum is σ = 12234441978. Its totient is φ = 12234441976.

The previous prime is 12234441917. The next prime is 12234442021. The reversal of 12234441977 is 77914443221.

It is an a-pointer prime, because the next prime (12234442021) can be obtained adding 12234441977 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10599937936 + 1634504041 = 102956^2 + 40429^2 .

It is an emirp because it is prime and its reverse (77914443221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12234441977 is a prime.

It is not a weakly prime, because it can be changed into another prime (12234441917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117220988 + 6117220989.

It is an arithmetic number, because the mean of its divisors is an integer number (6117220989).

Almost surely, 2^12234441977 is an apocalyptic number.

It is an amenable number.

12234441977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12234441977 is an equidigital number, since it uses as much as digits as its factorization.

12234441977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The spelling of 12234441977 in words is "twelve billion, two hundred thirty-four million, four hundred forty-one thousand, nine hundred seventy-seven".