12124227719 has 2 divisors, whose sum is σ = 12124227720. Its totient is φ = 12124227718.

The previous prime is 12124227707. The next prime is 12124227737. The reversal of 12124227719 is 91772242121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12124227719 is a prime.

It is a super-2 number, since 2×12124227719² (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 (12124227779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062113859 + 6062113860.

It is an arithmetic number, because the mean of its divisors is an integer number (6062113860).

Almost surely, 2^12124227719 is an apocalyptic number.

12124227719 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124227719 is an equidigital number, since it uses as much as digits as its factorization.

12124227719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The spelling of 12124227719 in words is "twelve billion, one hundred twenty-four million, two hundred twenty-seven thousand, seven hundred nineteen".