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12224322231 = 3112393154799
BaseRepresentation
bin10110110001010000…
…00101101010110111
31011112221012220121020
423120220011222313
5200013411302411
65341001352223
7611634011262
oct133050055267
934487186536
1012224322231
115203347250
122451a98673
1311ca786684
1483d731cd9
154b82d1606
hex2d8a05ab7

12224322231 has 16 divisors (see below), whose sum is σ = 17788377600. Its totient is φ = 7405536320.

The previous prime is 12224322223. The next prime is 12224322251. The reversal of 12224322231 is 13222342221.

12224322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12224322231 - 23 = 12224322223 is a prime.

It is a super-2 number, since 2×122243222312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224322251) 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, 1570 + ... + 156368.

It is an arithmetic number, because the mean of its divisors is an integer number (1111773600).

Almost surely, 212224322231 is an apocalyptic number.

12224322231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12224322231 is a deficient number, since it is larger than the sum of its proper divisors (5564055369).

12224322231 is a wasteful number, since it uses less digits than its factorization.

12224322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157206.

The product of its digits is 2304, while the sum is 24.

Adding to 12224322231 its reverse (13222342221), we get a palindrome (25446664452).

The spelling of 12224322231 in words is "twelve billion, two hundred twenty-four million, three hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 3 11 33 2393 7179 26323 78969 154799 464397 1702789 5108367 370434007 1111302021 4074774077 12224322231