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102212010122 = 2253920128399
BaseRepresentation
bin101111100110001001…
…1111000000010001010
3100202211022221002200112
41133030103320002022
53133312233310442
6114542222034322
710245623515415
oct1371423700212
9322738832615
10102212010122
113a391019042
12179867189a2
13983bb87881
144d38b46b7c
1529d352a082
hex17cc4f808a

102212010122 has 8 divisors (see below), whose sum is σ = 153378408000. Its totient is φ = 51085874124.

The previous prime is 102212010049. The next prime is 102212010149. The reversal of 102212010122 is 221010212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102212010097 and 102212010106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10059122 + ... + 10069277.

It is an arithmetic number, because the mean of its divisors is an integer number (19172301000).

Almost surely, 2102212010122 is an apocalyptic number.

102212010122 is a deficient number, since it is larger than the sum of its proper divisors (51166397878).

102212010122 is a wasteful number, since it uses less digits than its factorization.

102212010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20130940.

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

Adding to 102212010122 its reverse (221010212201), we get a palindrome (323222222323).

The spelling of 102212010122 in words is "one hundred two billion, two hundred twelve million, ten thousand, one hundred twenty-two".

Divisors: 1 2 2539 5078 20128399 40256798 51106005061 102212010122