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20201201212012 = 2238839130031677
BaseRepresentation
bin1001001011111011101010…
…11011000001101001101100
32122112012211110001002020221
410211331311123001221230
510121434030002241022
6110544145334221124
74153326412062502
oct445756533015154
978465743032227
1020201201212012
116489310492637
1223231654b47a4
13b36c7142cc42
144dba59aa6672
1525072d9d4cc7
hex125f756c1a6c

20201201212012 has 12 divisors (see below), whose sum is σ = 35353012614640. Its totient is φ = 10100340464976.

The previous prime is 20201201212009. The next prime is 20201201212039. The reversal of 20201201212012 is 21021210210202.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64860483 + ... + 65171194.

Almost surely, 220201201212012 is an apocalyptic number.

It is an amenable number.

20201201212012 is a deficient number, since it is larger than the sum of its proper divisors (15151811402628).

20201201212012 is a wasteful number, since it uses less digits than its factorization.

20201201212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130070520 (or 130070518 counting only the distinct ones).

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

Adding to 20201201212012 its reverse (21021210210202), we get a palindrome (41222411422214).

The spelling of 20201201212012 in words is "twenty trillion, two hundred one billion, two hundred one million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 38839 77678 155356 130031677 260063354 520126708 5050300303003 10100600606006 20201201212012