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211022222012012 = 22101904957722647
BaseRepresentation
bin101111111110110001110000…
…100101010010111001101100
31000200011112020110220220120202
4233332301300211102321230
5210124342002313341022
62024450134231533032
762306565244503155
oct5776616045227154
91020145213826522
10211022222012012
1161269026a95844
121b80162b22a178
139099405528368
143a1775c60c92c
15195e28b5cd592
hexbfec70952e6c

211022222012012 has 24 divisors (see below), whose sum is σ = 372986434581600. Its totient is φ = 104454900201600.

The previous prime is 211022222012011. The next prime is 211022222012029. The reversal of 211022222012012 is 210210222220112.

It is a super-2 number, since 2×2110222220120122 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211022222012011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25205528 + ... + 32517119.

It is an arithmetic number, because the mean of its divisors is an integer number (15541101440900).

Almost surely, 2211022222012012 is an apocalyptic number.

It is an amenable number.

211022222012012 is a deficient number, since it is larger than the sum of its proper divisors (161964212569588).

211022222012012 is a wasteful number, since it uses less digits than its factorization.

211022222012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57731801 (or 57731799 counting only the distinct ones).

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

Adding to 211022222012012 its reverse (210210222220112), we get a palindrome (421232444232124).

The spelling of 211022222012012 in words is "two hundred eleven trillion, twenty-two billion, two hundred twenty-two million, twelve thousand, twelve".

Divisors: 1 2 4 101 202 404 9049 18098 36196 913949 1827898 3655796 57722647 115445294 230890588 5829987347 11659974694 23319949388 522332232703 1044664465406 2089328930812 52755555503003 105511111006006 211022222012012