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20122100210012 = 2223946494527473
BaseRepresentation
bin1001001001101000010101…
…01000101001100101011100
32122020122122202112211200012
410210310022220221211130
510114140030123210022
6110443544253222352
74144526254464353
oct444641250514534
978218582484605
1020122100210012
116458809a94009
12230b96a7919b8
13b2c676630708
144d7cb44a699a
1524d64e3e5de2
hex124d0aa2995c

20122100210012 has 24 divisors (see below), whose sum is σ = 35368626888000. Its totient is φ = 10016796371456.

The previous prime is 20122100210011. The next prime is 20122100210057. The reversal of 20122100210012 is 21001200122102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122100210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2180708 + ... + 6708180.

It is an arithmetic number, because the mean of its divisors is an integer number (1473692787000).

Almost surely, 220122100210012 is an apocalyptic number.

It is an amenable number.

20122100210012 is a deficient number, since it is larger than the sum of its proper divisors (15246526677988).

20122100210012 is a wasteful number, since it uses less digits than its factorization.

20122100210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532365 (or 4532363 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122100210012 its reverse (21001200122102), we get a palindrome (41123300332114).

The spelling of 20122100210012 in words is "twenty trillion, one hundred twenty-two billion, one hundred million, two hundred ten thousand, twelve".

Divisors: 1 2 4 239 478 956 4649 9298 18596 1111111 2222222 4444444 4527473 9054946 18109892 1082066047 2164132094 4328264188 21048221977 42096443954 84192887908 5030525052503 10061050105006 20122100210012