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102122120212 = 22714332545163
BaseRepresentation
bin101111100011011110…
…0111110010000010100
3100202121001210012220121
41133012330332100110
53133121230321322
6114525251241324
710243452461620
oct1370674762024
9322531705817
10102122120212
113a345302462
12179605a9244
139826373a88
144d2ac28180
1529ca6c0ec7
hex17c6f3e414

102122120212 has 24 divisors (see below), whose sum is σ = 204386849856. Its totient is φ = 43736063808.

The previous prime is 102122120203. The next prime is 102122120237. The reversal of 102122120212 is 212021221201.

It is a happy number.

102122120212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232458 + ... + 1312705.

It is an arithmetic number, because the mean of its divisors is an integer number (8516118744).

Almost surely, 2102122120212 is an apocalyptic number.

It is an amenable number.

102122120212 is an abundant number, since it is smaller than the sum of its proper divisors (102264729644).

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

102122120212 is a wasteful number, since it uses less digits than its factorization.

102122120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546607 (or 2546605 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102122120212 its reverse (212021221201), we get a palindrome (314143341413).

The spelling of 102122120212 in words is "one hundred two billion, one hundred twenty-two million, one hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 1433 2866 5732 10031 20062 40124 2545163 5090326 10180652 17816141 35632282 71264564 3647218579 7294437158 14588874316 25530530053 51061060106 102122120212