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20100212001112 = 233172697919231
BaseRepresentation
bin1001001000111111100011…
…11111110000100101011000
32122011120011100000121202111
410210133301333300211120
510113310213233013422
6110425524313042104
74143122664000265
oct444376177604530
978146140017674
1020100212001112
11644a4a7732771
1223076803b6334
13b2a5989c0109
144d6bd950626c
1524ccbc9eaa77
hex1247f1ff0958

20100212001112 has 16 divisors (see below), whose sum is σ = 37688021049600. Its totient is φ = 10050073054560.

The previous prime is 20100212001097. The next prime is 20100212001113. The reversal of 20100212001112 is 21110021200102.

It is a junction number, because it is equal to n+sod(n) for n = 20100212001092 and 20100212001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100212001113) 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, 1421464 + ... + 6497767.

It is an arithmetic number, because the mean of its divisors is an integer number (2355501315600).

Almost surely, 220100212001112 is an apocalyptic number.

It is an amenable number.

20100212001112 is a deficient number, since it is larger than the sum of its proper divisors (17587809048488).

20100212001112 is a wasteful number, since it uses less digits than its factorization.

20100212001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236506 (or 8236502 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20100212001112 its reverse (21110021200102), we get a palindrome (41210233201214).

The spelling of 20100212001112 in words is "twenty trillion, one hundred billion, two hundred twelve million, one thousand, one hundred twelve".

Divisors: 1 2 4 8 317269 634538 1269076 2538152 7919231 15838462 31676924 63353848 2512526500139 5025053000278 10050106000556 20100212001112