Search a number
-
+
12182222747 is a prime number
BaseRepresentation
bin10110101100001110…
…11111011110011011
31011110000000000222002
423112013133132123
5144422122111442
65332455151215
7610613120252
oct132607373633
934400000862
1012182222747
115191602292
12243b97550b
1311c1b36336
14837cd3799
154b4767732
hex2d61df79b

12182222747 has 2 divisors, whose sum is σ = 12182222748. Its totient is φ = 12182222746.

The previous prime is 12182222707. The next prime is 12182222749. The reversal of 12182222747 is 74722228121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12182222747 - 214 = 12182206363 is a prime.

Together with 12182222749, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12182222747.

It is not a weakly prime, because it can be changed into another prime (12182222749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091111373 + 6091111374.

It is an arithmetic number, because the mean of its divisors is an integer number (6091111374).

Almost surely, 212182222747 is an apocalyptic number.

12182222747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12182222747 is an equidigital number, since it uses as much as digits as its factorization.

12182222747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The spelling of 12182222747 in words is "twelve billion, one hundred eighty-two million, two hundred twenty-two thousand, seven hundred forty-seven".