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12231013222 = 2171919995143
BaseRepresentation
bin10110110010000011…
…00111001101100110
31011120101210211220201
423121001213031212
5200022114410342
65341401021114
7612044616451
oct133101471546
934511724821
1012231013222
1152070a729a
12245418479a
1311cbc8a03c
14840594498
154b8ba3db7
hex2d9067366

12231013222 has 32 divisors (see below), whose sum is σ = 20551104000. Its totient is φ = 5425377408.

The previous prime is 12231013219. The next prime is 12231013229. The reversal of 12231013222 is 22231013221.

12231013222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12231013222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231013229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80983 + ... + 176125.

It is an arithmetic number, because the mean of its divisors is an integer number (642222000).

Almost surely, 212231013222 is an apocalyptic number.

12231013222 is a deficient number, since it is larger than the sum of its proper divisors (8320090778).

12231013222 is a wasteful number, since it uses less digits than its factorization.

12231013222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95380.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12231013222 its reverse (22231013221), we get a palindrome (34462026443).

Subtracting 12231013222 from its reverse (22231013221), we obtain a palindrome (9999999999).

The spelling of 12231013222 in words is "twelve billion, two hundred thirty-one million, thirteen thousand, two hundred twenty-two".

Divisors: 1 2 17 19 34 38 199 323 398 646 3383 3781 6766 7562 64277 95143 128554 190286 1617431 1807717 3234862 3615434 18933457 30731189 37866914 61462378 321868769 359735683 643737538 719471366 6115506611 12231013222