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12231211301 is a prime number
BaseRepresentation
bin10110110010000100…
…10111100100100101
31011120102011220121222
423121002113210211
5200022142230201
65341405150125
7612046403111
oct133102274445
934512156558
1012231211301
1152072220a1
12245425b345
1311cc02924a
14840606741
154b8be291b
hex2d9097925

12231211301 has 2 divisors, whose sum is σ = 12231211302. Its totient is φ = 12231211300.

The previous prime is 12231211283. The next prime is 12231211309. The reversal of 12231211301 is 10311213221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11997916225 + 233295076 = 109535^2 + 15274^2 .

It is an emirp because it is prime and its reverse (10311213221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12231211301 - 214 = 12231194917 is a prime.

It is a super-2 number, since 2×122312113012 (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 12231211301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231211309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115605650 + 6115605651.

It is an arithmetic number, because the mean of its divisors is an integer number (6115605651).

Almost surely, 212231211301 is an apocalyptic number.

It is an amenable number.

12231211301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231211301 is an equidigital number, since it uses as much as digits as its factorization.

12231211301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12231211301 its reverse (10311213221), we get a palindrome (22542424522).

The spelling of 12231211301 in words is "twelve billion, two hundred thirty-one million, two hundred eleven thousand, three hundred one".