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101212222211012 = 22112373976957389
BaseRepresentation
bin10111000000110101001110…
…100011010100001111000100
3111021100210102210021021211002
4113000311032203110033010
5101231230112341223022
6555132130351432432
730214225135004453
oct2700651643241704
9437323383237732
10101212222211012
112a281953928300
12b427734525718
13446236b928373
141adc9aa67cb9a
15ba7b674c1092
hex5c0d4e8d43c4

101212222211012 has 72 divisors (see below), whose sum is σ = 195232480258200. Its totient is φ = 45876720130560.

The previous prime is 101212222210943. The next prime is 101212222211047. The reversal of 101212222211012 is 210112222212101.

It can be written as a sum of positive squares in 4 ways, for example, as 18655626854656 + 82556595356356 = 4319216^2 + 9086066^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1763588414 + ... + 1763645802.

Almost surely, 2101212222211012 is an apocalyptic number.

It is an amenable number.

101212222211012 is a deficient number, since it is larger than the sum of its proper divisors (94020258047188).

101212222211012 is a wasteful number, since it uses less digits than its factorization.

101212222211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67557 (or 67544 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101212222211012 its reverse (210112222212101), we get a palindrome (311324444423113).

The spelling of 101212222211012 in words is "one hundred one trillion, two hundred twelve billion, two hundred twenty-two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 11 22 44 121 242 373 484 746 1492 4103 8206 9769 16412 19538 39076 45133 57389 90266 107459 114778 180532 214918 229556 429836 631279 1182049 1262558 2364098 2525116 3643837 4728196 6944069 7287674 13888138 14575348 21406097 27776276 40082207 42812194 80164414 85624388 160328828 235467067 440904277 470934134 560633141 881808554 941868268 1121266282 1763617108 2242532564 2590137737 5180275474 6166964551 10360550948 12333929102 24667858204 67836610061 135673220122 209116161593 271346440244 418232323186 836464646372 2300277777523 4600555555046 9201111110092 25303055552753 50606111105506 101212222211012