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101212212022002 = 232174138920738533
BaseRepresentation
bin10111000000110101001101…
…111100011100101011110010
3111021100210102002002122010100
4113000311031330130223302
5101231230102234201002
6555132125345213230
730214224652260054
oct2700651574345362
9437323362078110
10101212212022002
112a2819490a9134
12b427731031216
13446236979b773
141adc9a91898d4
15ba7b6665c11c
hex5c0d4df1caf2

101212212022002 has 96 divisors (see below), whose sum is σ = 238467425217840. Its totient is φ = 30898753597440.

The previous prime is 101212212022001. The next prime is 101212212022003. The reversal of 101212212022002 is 200220212212101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101212212022001) and next prime (101212212022003).

It can be written as a sum of positive squares in 8 ways, for example, as 46665553025961 + 54546658996041 = 6831219^2 + 7385571^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101212212022001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5488873 + ... + 15249660.

Almost surely, 2101212212022002 is an apocalyptic number.

101212212022002 is an abundant number, since it is smaller than the sum of its proper divisors (137255213195838).

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

101212212022002 is a wasteful number, since it uses less digits than its factorization.

101212212022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738988 (or 20738985 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 101212212022002 its reverse (200220212212101), we get a palindrome (301432424234103).

The spelling of 101212212022002 in words is "one hundred one trillion, two hundred twelve billion, two hundred twelve million, twenty-two thousand, two".

Divisors: 1 2 3 6 9 17 18 34 41 51 82 102 123 153 246 306 369 389 697 738 778 1167 1394 2091 2334 3501 4182 6273 6613 7002 12546 13226 15949 19839 31898 39678 47847 59517 95694 119034 143541 271133 287082 542266 813399 1626798 2440197 4880394 20738533 41477066 62215599 124431198 186646797 352555061 373293594 705110122 850279853 1057665183 1700559706 2115330366 2550839559 3172995549 5101679118 6345991098 7652518677 8067289337 14454757501 15305037354 16134578674 24201868011 28909515002 43364272503 48403736022 72605604033 86728545006 130092817509 137143918729 145211208066 260185635018 274287837458 330758862817 411431756187 661517725634 822863512374 992276588451 1234295268561 1984553176902 2468590537122 2976829765353 5622900667889 5953659530706 11245801335778 16868702003667 33737404007334 50606106011001 101212212022002