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20120102110122 = 2372193601880077
BaseRepresentation
bin1001001001100100100111…
…00010100000001110101010
32122020110111111202211220120
410210302103202200032222
510114121432120010442
6110443014115104110
74144425613065300
oct444622342401652
978213444684816
1020120102110122
116457984124a93
12230b4b15a2036
13b2c4186a01a1
144d7b64d84270
1524d583cab4ec
hex124c938a03aa

20120102110122 has 48 divisors (see below), whose sum is σ = 49273719467040. Its totient is φ = 5446042674912.

The previous prime is 20120102110117. The next prime is 20120102110177. The reversal of 20120102110122 is 22101120102102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1800934453 + ... + 1800945624.

It is an arithmetic number, because the mean of its divisors is an integer number (1026535822230).

Almost surely, 220120102110122 is an apocalyptic number.

20120102110122 is an abundant number, since it is smaller than the sum of its proper divisors (29153617356918).

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

20120102110122 is a wasteful number, since it uses less digits than its factorization.

20120102110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601880115 (or 3601880108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20120102110122 its reverse (22101120102102), we get a palindrome (42221222212224).

The spelling of 20120102110122 in words is "twenty trillion, one hundred twenty billion, one hundred two million, one hundred ten thousand, one hundred twenty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 49 57 98 114 133 147 266 294 399 798 931 1862 2793 5586 3601880077 7203760154 10805640231 21611280462 25213160539 50426321078 68435721463 75639481617 136871442926 151278963234 176492123773 205307164389 352984247546 410614328778 479050050241 529476371319 958100100482 1058952742638 1437150150723 2874300301446 3353350351687 6706700703374 10060051055061 20120102110122