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12000213222 = 233391589807
BaseRepresentation
bin10110010110100010…
…01011100011100110
31010222022111222211120
423023101023203212
5144034023310342
65302434114410
7603243062244
oct131321134346
933868458746
1012000213222
1150a8897898
1223aaa1ba06
13119320a8aa
1481ba75794
154a37b3aec
hex2cb44b8e6

12000213222 has 16 divisors (see below), whose sum is σ = 24007544832. Its totient is φ = 3998884680.

The previous prime is 12000213217. The next prime is 12000213233. The reversal of 12000213222 is 22231200021.

It is a happy number.

12000213222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 274558 + ... + 315249.

It is an arithmetic number, because the mean of its divisors is an integer number (1500471552).

Almost surely, 212000213222 is an apocalyptic number.

12000213222 is an abundant number, since it is smaller than the sum of its proper divisors (12007331610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12000213222 is a wasteful number, since it uses less digits than its factorization.

12000213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593203.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12000213222 its reverse (22231200021), we get a palindrome (34231413243).

The spelling of 12000213222 in words is "twelve billion, two hundred thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 3391 6782 10173 20346 589807 1179614 1769421 3538842 2000035537 4000071074 6000106611 12000213222