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101212102100212 = 22432232112636261
BaseRepresentation
bin10111000000110101000111…
…011001001000010011110100
3111021100210010102021000202221
4113000311013121020103310
5101231224341114201322
6555132110421212124
730214222146042265
oct2700650731102364
9437323112230687
10101212102100212
112a2818a2050284
12b427700261044
13446234ca92b9c
141adc99873496c
15ba7b5bb979c7
hex5c0d476484f4

101212102100212 has 24 divisors (see below), whose sum is σ = 181241156571552. Its totient is φ = 49428925946400.

The previous prime is 101212102100203. The next prime is 101212102100251. The reversal of 101212102100212 is 212001201212101.

It is a super-2 number, since 2×1012121021002122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37074162 + ... + 39710422.

It is an arithmetic number, because the mean of its divisors is an integer number (7551714857148).

Almost surely, 2101212102100212 is an apocalyptic number.

It is an amenable number.

101212102100212 is a deficient number, since it is larger than the sum of its proper divisors (80029054471340).

101212102100212 is a wasteful number, since it uses less digits than its factorization.

101212102100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859519 (or 2859517 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101212102100212 its reverse (212001201212101), we get a palindrome (313213303312313).

The spelling of 101212102100212 in words is "one hundred one trillion, two hundred twelve billion, one hundred two million, one hundred thousand, two hundred twelve".

Divisors: 1 2 4 43 86 172 223211 446422 892844 2636261 5272522 9598073 10545044 19196146 38392292 113359223 226718446 453436892 588442454071 1176884908142 2353769816284 25303025525053 50606051050106 101212102100212