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12012211202222 = 271178799112289
BaseRepresentation
bin1010111011001100111110…
…0101001110100010101110
31120112100121122121110010102
42232303033211032202232
53033302002031432342
641314200022311102
72346565535351120
oct256631745164256
946470548543112
1012012211202222
11391139407a870
121420069288492
1369199253152a
142d7573697210
1515c6e9eae832
hexaeccf94e8ae

12012211202222 has 32 divisors (see below), whose sum is σ = 22492939541760. Its totient is φ = 4674135502080.

The previous prime is 12012211202179. The next prime is 12012211202249. The reversal of 12012211202222 is 22220211221021.

It is a junction number, because it is equal to n+sod(n) for n = 12012211202194 and 12012211202203.

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, 49434947 + ... + 49677342.

It is an arithmetic number, because the mean of its divisors is an integer number (702904360680).

Almost surely, 212012211202222 is an apocalyptic number.

12012211202222 is a deficient number, since it is larger than the sum of its proper divisors (10480728339538).

12012211202222 is a wasteful number, since it uses less digits than its factorization.

12012211202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99113096.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12012211202222 its reverse (22220211221021), we get a palindrome (34232422423243).

The spelling of 12012211202222 in words is "twelve trillion, twelve billion, two hundred eleven million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 7 11 14 22 77 154 787 1574 5509 8657 11018 17314 60599 121198 99112289 198224578 693786023 1090235179 1387572046 2180470358 7631646253 15263292506 78001371443 156002742886 546009600101 858015085873 1092019200202 1716030171746 6006105601111 12012211202222