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102011222212 = 22891732516599
BaseRepresentation
bin101111100000001010…
…1111011100011000100
3100202022100010000110021
41133000111323203010
53132404333102322
6114510250304524
710240635040054
oct1370025734304
9322270100407
10102011222212
113a298748119
121792b428144
1398093b5a63
144d1a1db564
1529c0ab74c7
hex17c057b8c4

102011222212 has 48 divisors (see below), whose sum is σ = 182319984000. Its totient is φ = 49933664000.

The previous prime is 102011222191. The next prime is 102011222249. The reversal of 102011222212 is 212222110201.

It is a happy 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, 15455289 + ... + 15461887.

It is an arithmetic number, because the mean of its divisors is an integer number (3798333000).

Almost surely, 2102011222212 is an apocalyptic number.

It is an amenable number.

102011222212 is a deficient number, since it is larger than the sum of its proper divisors (80308761788).

102011222212 is a wasteful number, since it uses less digits than its factorization.

102011222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7116 (or 7114 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102011222212 its reverse (212222110201), we get a palindrome (314233332413).

The spelling of 102011222212 in words is "one hundred two billion, eleven million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 89 173 178 251 346 356 502 692 1004 6599 13198 15397 22339 26396 30794 43423 44678 61588 86846 89356 173692 587311 1141627 1174622 1656349 2283254 2349244 3312698 3864647 4566508 6625396 7729294 15458588 101604803 147415061 203209606 286548377 294830122 406419212 573096754 589660244 1146193508 25502805553 51005611106 102011222212