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102102122012 = 22112997824921
BaseRepresentation
bin101111100010111000…
…0101011111000011100
3100202112200011012112112
41133011300223320130
53133101120401022
6114523254453152
710243120501052
oct1370560537034
9322480135475
10102102122012
113a334a93520
12179559641b8
139822191417
144d283001d2
1529c8a708e2
hex17c5c2be1c

102102122012 has 48 divisors (see below), whose sum is σ = 203722737120. Its totient is φ = 44347699200.

The previous prime is 102102121997. The next prime is 102102122033. The reversal of 102102122012 is 210221201201.

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, 288689 + ... + 536232.

It is an arithmetic number, because the mean of its divisors is an integer number (4244223690).

Almost surely, 2102102122012 is an apocalyptic number.

It is an amenable number.

102102122012 is a deficient number, since it is larger than the sum of its proper divisors (101620615108).

102102122012 is a wasteful number, since it uses less digits than its factorization.

102102122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825062 (or 825060 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102102122012 its reverse (210221201201), we get a palindrome (312323323213).

The spelling of 102102122012 in words is "one hundred two billion, one hundred two million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 11 22 29 44 58 97 116 194 319 388 638 1067 1276 2134 2813 4268 5626 11252 30943 61886 123772 824921 1649842 3299684 9074131 18148262 23922709 36296524 47845418 80017337 95690836 160034674 263149799 320069348 526299598 880190707 1052599196 1760381414 2320502773 3520762828 4641005546 9282011092 25525530503 51051061006 102102122012