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211222200210212 = 22379139328628107
BaseRepresentation
bin110000000001101100000000…
…001101100101001100100100
31000200212122102022011221122002
4300001230000031211030210
5210141131031223211322
62025122050022424432
762330205012235112
oct6001540015451444
91020778368157562
10211222200210212
1161335917515a24
121b83433b592118
1390b2225182c59
143a232cd856ab2
151964592b97c92
hexc01b00365324

211222200210212 has 12 divisors (see below), whose sum is σ = 370614150767280. Its totient is φ = 105332442848136.

The previous prime is 211222200210173. The next prime is 211222200210227. The reversal of 211222200210212 is 212012002222112.

It is a super-2 number, since 2×2112222002102122 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69664312538 + ... + 69664315569.

It is an arithmetic number, because the mean of its divisors is an integer number (30884512563940).

Almost surely, 2211222200210212 is an apocalyptic number.

It is an amenable number.

211222200210212 is a deficient number, since it is larger than the sum of its proper divisors (159391950557068).

211222200210212 is a wasteful number, since it uses less digits than its factorization.

211222200210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139328628490 (or 139328628488 counting only the distinct ones).

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

Adding to 211222200210212 its reverse (212012002222112), we get a palindrome (423234202432324).

The spelling of 211222200210212 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 379 758 1516 139328628107 278657256214 557314512428 52805550052553 105611100105106 211222200210212