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120202122122 = 21721134873779
BaseRepresentation
bin110111111110010011…
…0101101001110001010
3102111021002111110220222
41233330212231032022
53432133220401442
6131115312350042
711453502115505
oct1577446551612
9374232443828
10120202122122
1146a82a674a5
121b367545322
13b448035564
145b6411c13c
1531d7acd8d2
hex1bfc9ad38a

120202122122 has 48 divisors (see below), whose sum is σ = 193676132160. Its totient is φ = 55935194112.

The previous prime is 120202122119. The next prime is 120202122143. The reversal of 120202122122 is 221221202021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 120202122122.

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, 31806029 + ... + 31809807.

It is an arithmetic number, because the mean of its divisors is an integer number (4034919420).

Almost surely, 2120202122122 is an apocalyptic number.

120202122122 is a deficient number, since it is larger than the sum of its proper divisors (73474010038).

120202122122 is a wasteful number, since it uses less digits than its factorization.

120202122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120202122122 its reverse (221221202021), we get a palindrome (341423324143).

The spelling of 120202122122 in words is "one hundred twenty billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 17 34 113 226 289 487 578 974 1921 3779 3842 7558 8279 16558 32657 55031 64243 65314 110062 128486 140743 281486 427027 854054 935527 1092131 1840373 1871054 2184262 3680746 7259459 14518918 15903959 31286341 31807918 62572682 123410803 207962149 246821606 415924298 531867797 1063735594 3535356533 7070713066 60101061061 120202122122