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121210121000122 = 272111910158592921
BaseRepresentation
bin11011100011110101101110…
…001101001001010010111010
3120220011120111201221020000021
4123203311232031021102322
5111341401311434000442
61105443054425401054
734350066536030200
oct3343655615112272
9526146451836007
10121210121000122
1135691a183aa510
121171740033918a
1352830b07b903b
1421d085b817070
15e02e47b50e67
hex6e3d6e3494ba

121210121000122 has 96 divisors (see below), whose sum is σ = 245274658925760. Its totient is φ = 44296247520000.

The previous prime is 121210121000113. The next prime is 121210121000159. The reversal of 121210121000122 is 221000121012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210121000096 and 121210121000105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27227779 + ... + 31365142.

It is an arithmetic number, because the mean of its divisors is an integer number (2554944363810).

Almost surely, 2121210121000122 is an apocalyptic number.

121210121000122 is an abundant number, since it is smaller than the sum of its proper divisors (124064537925638).

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

121210121000122 is a wasteful number, since it uses less digits than its factorization.

121210121000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58593068 (or 58593061 counting only the distinct ones).

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

Adding to 121210121000122 its reverse (221000121012121), we get a palindrome (342210242012243).

The spelling of 121210121000122 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty-one million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 7 11 14 19 22 38 49 77 98 101 133 154 202 209 266 418 539 707 931 1078 1111 1414 1463 1862 1919 2222 2926 3838 4949 7777 9898 10241 13433 15554 20482 21109 26866 42218 54439 94031 108878 147763 188062 295526 1034341 2068682 58592921 117185842 410150447 644522131 820300894 1113265499 1289044262 2226530998 2871053129 4511654917 5742106258 5917885021 7792858493 9023309834 11835770042 12245920489 15585716986 24491840978 31581584419 41425195147 54550009451 63163168838 65096735231 82850390294 85721443423 109100018902 112439815399 130193470462 171442886846 224879630798 289976366029 455677146617 579952732058 600050103961 787078707793 911354293234 1200100207922 1236837969389 1574157415586 2473675938778 3189740026319 5509550954551 6379480052638 8657865785723 11019101909102 17315731571446 60605060500061 121210121000122