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12000122170 = 254492672633
BaseRepresentation
bin10110010110100001…
…10101010100111010
31010222022100100221021
423023100311110322
5144034012402140
65302432133054
7603242232631
oct131320652472
933868310837
1012000122170
1150a8835443
1223aa99718a
1311931a830a
1481ba50518
154a3796b4a
hex2cb43553a

12000122170 has 16 divisors (see below), whose sum is σ = 21648335400. Its totient is φ = 4789356544.

The previous prime is 12000122153. The next prime is 12000122171. The reversal of 12000122170 is 7122100021.

12000122170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9736360929 + 2263761241 = 98673^2 + 47579^2 .

It is a super-3 number, since 3×120001221703 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12000122171) 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 7 ways as a sum of consecutive naturals, for example, 1331827 + ... + 1340806.

Almost surely, 212000122170 is an apocalyptic number.

12000122170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000122170 is a deficient number, since it is larger than the sum of its proper divisors (9648213230).

12000122170 is a wasteful number, since it uses less digits than its factorization.

12000122170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673089.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 12000122170 its reverse (7122100021), we get a palindrome (19122222191).

The spelling of 12000122170 in words is "twelve billion, one hundred twenty-two thousand, one hundred seventy".

Divisors: 1 2 5 10 449 898 2245 4490 2672633 5345266 13363165 26726330 1200012217 2400024434 6000061085 12000122170