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2202120111212 = 227613010942821
BaseRepresentation
bin100000000010111000100…
…101100100010001101100
321210112001112111100021222
4200002320211210101230
5242034420222024322
64403350124242512
7315045406050230
oct40027045442154
97715045440258
102202120111212
11779a06436a0a
122b69516a0438
1312c874b93308
14788243745c0
153c43763ce42
hex200b896446c

2202120111212 has 48 divisors (see below), whose sum is σ = 4476694098240. Its totient is φ = 928241683200.

The previous prime is 2202120111199. The next prime is 2202120111229. The reversal of 2202120111212 is 2121110212022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51404762 + ... + 51447582.

It is an arithmetic number, because the mean of its divisors is an integer number (93264460380).

Almost surely, 22202120111212 is an apocalyptic number.

It is an amenable number.

2202120111212 is an abundant number, since it is smaller than the sum of its proper divisors (2274573987028).

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

2202120111212 is a wasteful number, since it uses less digits than its factorization.

2202120111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73002 (or 73000 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2202120111212 its reverse (2121110212022), we get a palindrome (4323230323234).

The spelling of 2202120111212 in words is "two trillion, two hundred two billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1708 30109 42821 60218 85642 120436 171284 210763 299747 421526 599494 843052 1198988 1836649 2612081 3673298 5224162 7346596 10448324 12856543 18284567 25713086 36569134 51426172 73138268 1289297489 2578594978 5157189956 9025082423 18050164846 36100329692 78647146829 157294293658 314588587316 550530027803 1101060055606 2202120111212