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12221053327 = 719674573001
BaseRepresentation
bin10110110000110111…
…00111100110001111
31011112201001211111201
423120123213212033
5200012042201302
65340403330331
7611564145040
oct133033474617
934481054451
1012221053327
11520151427a
1224509809a7
1311c9bb0802
1483d1208c7
154b7d87c87
hex2d86e798f

12221053327 has 32 divisors (see below), whose sum is σ = 14959086080. Its totient is φ = 9751104000.

The previous prime is 12221053321. The next prime is 12221053363. The reversal of 12221053327 is 72335012221.

It is not a de Polignac number, because 12221053327 - 211 = 12221051279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12221053295 and 12221053304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221053321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4070827 + ... + 4073827.

It is an arithmetic number, because the mean of its divisors is an integer number (467471440).

Almost surely, 212221053327 is an apocalyptic number.

12221053327 is a deficient number, since it is larger than the sum of its proper divisors (2738032753).

12221053327 is a wasteful number, since it uses less digits than its factorization.

12221053327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 12221053327 its reverse (72335012221), we get a palindrome (84556065548).

The spelling of 12221053327 in words is "twelve billion, two hundred twenty-one million, fifty-three thousand, three hundred twenty-seven".

Divisors: 1 7 19 67 133 457 469 1273 3001 3199 8683 8911 21007 30619 57019 60781 201067 214333 399133 581761 1371457 1407469 3820273 4072327 9600199 26057683 26741911 91887619 182403781 643213333 1745864761 12221053327