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12000122230 = 254365342737
BaseRepresentation
bin10110010110100001…
…10101010101110110
31010222022100101000111
423023100311111312
5144034012402410
65302432133234
7603242233045
oct131320652566
933868311014
1012000122230
1150a8835498
1223aa99721a
1311931a8355
1481ba5055c
154a3796b8a
hex2cb435576

12000122230 has 32 divisors (see below), whose sum is σ = 22136916384. Its totient is φ = 4681130496.

The previous prime is 12000122219. The next prime is 12000122243. The reversal of 12000122230 is 3222100021.

It is a self number, because there is not a number n which added to its sum of digits gives 12000122230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259422 + ... + 302158.

It is an arithmetic number, because the mean of its divisors is an integer number (691778637).

Almost surely, 212000122230 is an apocalyptic number.

12000122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12000122230 is a deficient number, since it is larger than the sum of its proper divisors (10136794154).

12000122230 is a wasteful number, since it uses less digits than its factorization.

12000122230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43440.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12000122230 its reverse (3222100021), we get a palindrome (15222222251).

The spelling of 12000122230 in words is "twelve billion, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 653 1306 3265 6530 28079 42737 56158 85474 140395 213685 280790 427370 1837691 3675382 9188455 18376910 27907261 55814522 139536305 279072610 1200012223 2400024446 6000061115 12000122230