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12110012010100 = 2252257471206693
BaseRepresentation
bin1011000000111001010011…
…1101101100111001110100
31120212201001120002020221001
42300032110331230321310
53041402301033310400
641431132425133044
72356630246453564
oct260162475547164
946781046066831
1012110012010100
113949911088314
12143700262a184
1369ac7a533254
142dc1b060ada4
151600210dba6a
hexb0394f6ce74

12110012010100 has 36 divisors (see below), whose sum is σ = 26380977970284. Its totient is φ = 4825156526080.

The previous prime is 12110012010049. The next prime is 12110012010119. The reversal of 12110012010100 is 101021001121.

It can be written as a sum of positive squares in 6 ways, for example, as 404704634896 + 11705307375204 = 636164^2 + 3421302^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 235577647 + ... + 235629046.

It is an arithmetic number, because the mean of its divisors is an integer number (732804943619).

Almost surely, 212110012010100 is an apocalyptic number.

12110012010100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12110012010100 is an abundant number, since it is smaller than the sum of its proper divisors (14270965960184).

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

12110012010100 is a wasteful number, since it uses less digits than its factorization.

12110012010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471206964 (or 471206957 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12110012010100 its reverse (101021001121), we get a palindrome (12211033011221).

The spelling of 12110012010100 in words is "twelve trillion, one hundred ten billion, twelve million, ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 257 514 1028 1285 2570 5140 6425 12850 25700 471206693 942413386 1884826772 2356033465 4712066930 9424133860 11780167325 23560334650 47120669300 121100120101 242200240202 484400480404 605500600505 1211001201010 2422002402020 3027503002525 6055006005050 12110012010100