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12124214441 is a prime number
BaseRepresentation
bin10110100101010100…
…01101010010101001
31011021221211220112022
423102222031102221
5144312244330231
65323023554225
7606310056653
oct132252152251
934257756468
1012124214441
115161891839
12242445b975
1311b2b05ab1
148303136d3
154ae609c7b
hex2d2a8d4a9

12124214441 has 2 divisors, whose sum is σ = 12124214442. Its totient is φ = 12124214440.

The previous prime is 12124214437. The next prime is 12124214447. The reversal of 12124214441 is 14441242121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8183011600 + 3941202841 = 90460^2 + 62779^2 .

It is an emirp because it is prime and its reverse (14441242121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12124214441 - 22 = 12124214437 is a prime.

It is a super-2 number, since 2×121242144412 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12124214441.

It is not a weakly prime, because it can be changed into another prime (12124214447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6062107220 + 6062107221.

It is an arithmetic number, because the mean of its divisors is an integer number (6062107221).

Almost surely, 212124214441 is an apocalyptic number.

It is an amenable number.

12124214441 is a deficient number, since it is larger than the sum of its proper divisors (1).

12124214441 is an equidigital number, since it uses as much as digits as its factorization.

12124214441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2048, while the sum is 26.

Adding to 12124214441 its reverse (14441242121), we get a palindrome (26565456562).

The spelling of 12124214441 in words is "twelve billion, one hundred twenty-four million, two hundred fourteen thousand, four hundred forty-one".