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212124213042401 = 1126379791999081
BaseRepresentation
bin110000001110110100000100…
…010111011101110011100001
31000211001212200010110111112202
4300032310010113131303201
5210300420342014324101
62031052303532102545
762452316513634062
oct6016640427356341
91024055603414482
10212124213042401
11616534122173a0
121b95b115904a55
1391492c595a10a
143a54c1c2b8569
15197cc86c6e36b
hexc0ed045ddce1

212124213042401 has 16 divisors (see below), whose sum is σ = 232579567237248. Its totient is φ = 191865921321600.

The previous prime is 212124213042341. The next prime is 212124213042403. The reversal of 212124213042401 is 104240312421212.

It is a cyclic number.

It is not a de Polignac number, because 212124213042401 - 26 = 212124213042337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212124213042403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43693820 + ... + 48305261.

It is an arithmetic number, because the mean of its divisors is an integer number (14536222952328).

Almost surely, 2212124213042401 is an apocalyptic number.

It is an amenable number.

212124213042401 is a deficient number, since it is larger than the sum of its proper divisors (20455354194847).

212124213042401 is a wasteful number, since it uses less digits than its factorization.

212124213042401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92000152.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 212124213042401 its reverse (104240312421212), we get a palindrome (316364525463613).

The spelling of 212124213042401 in words is "two hundred twelve trillion, one hundred twenty-four billion, two hundred thirteen million, forty-two thousand, four hundred one".

Divisors: 1 11 263 797 2893 8767 209611 2305721 91999081 1011989891 24195758303 73323267557 266153341333 806555943127 19284019367491 212124213042401