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121030122212 = 2278139387227
BaseRepresentation
bin111000010110111110…
…1010001101011100100
3102120101210112020111222
41300231331101223210
53440332202402322
6131333411315512
711513145031106
oct1605575215344
9376353466458
10121030122212
114736839219a
121b5588abb98
13b54a74003c
145c02095576
153235636e42
hex1c2df51ae4

121030122212 has 12 divisors (see below), whose sum is σ = 211805971440. Its totient is φ = 60514130376.

The previous prime is 121030122211. The next prime is 121030122217. The reversal of 121030122212 is 212221030121.

It is not an unprimeable number, because it can be changed into a prime (121030122211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118943 + ... + 506169.

It is an arithmetic number, because the mean of its divisors is an integer number (17650497620).

Almost surely, 2121030122212 is an apocalyptic number.

It is an amenable number.

121030122212 is a deficient number, since it is larger than the sum of its proper divisors (90775849228).

121030122212 is a wasteful number, since it uses less digits than its factorization.

121030122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465370 (or 465368 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121030122212 its reverse (212221030121), we get a palindrome (333251152333).

The spelling of 121030122212 in words is "one hundred twenty-one billion, thirty million, one hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 78139 156278 312556 387227 774454 1548908 30257530553 60515061106 121030122212