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101220210210012 = 22316391711564257
BaseRepresentation
bin10111000000111100101010…
…101011000111010011011100
3111021101120001111002200102220
4113000330222223013103130
5101231342442303210022
6555135531142145340
730214630111612335
oct2700745253072334
9437346044080386
10101220210210012
112a285282949173
12b4291a3722250
134463042828baa
141add12750128c
15ba7e838ea85c
hex5c0f2aac74dc

101220210210012 has 48 divisors (see below), whose sum is σ = 237632462764032. Its totient is φ = 33532650708480.

The previous prime is 101220210209983. The next prime is 101220210210023. The reversal of 101220210210012 is 210012012022101.

It is a junction number, because it is equal to n+sod(n) for n = 101220210209973 and 101220210210000.

It is a congruent 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, 179104588 + ... + 179668844.

It is an arithmetic number, because the mean of its divisors is an integer number (4950676307584).

Almost surely, 2101220210210012 is an apocalyptic number.

101220210210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101220210210012 is an abundant number, since it is smaller than the sum of its proper divisors (136412252554020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101220210210012 is a wasteful number, since it uses less digits than its factorization.

101220210210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656138 (or 656136 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101220210210012 its reverse (210012012022101), we get a palindrome (311232222232113).

The spelling of 101220210210012 in words is "one hundred one trillion, two hundred twenty billion, two hundred ten million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 163 326 489 652 978 1956 91711 183422 275133 366844 550266 564257 1100532 1128514 1692771 2257028 3385542 6771084 14948893 29897786 44846679 59795572 89693358 91973891 179386716 183947782 275921673 367895564 551843346 1103686692 51748573727 103497147454 155245721181 206994294908 310491442362 620982884724 8435017517501 16870035035002 25305052552503 33740070070004 50610105105006 101220210210012