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12001130100 = 2234526132417
BaseRepresentation
bin10110010110101001…
…01011011001110100
31010222101020120120000
423023110223121310
5144034242130400
65302505511300
7603253631331
oct131324533164
933871216500
1012001130100
1150a9363743
1223ab1a2530
13119346c01b
1481bc33988
154a38e5600
hex2cb52b674

12001130100 has 180 divisors, whose sum is σ = 38982507564. Its totient is φ = 3193758720.

The previous prime is 12001130039. The next prime is 12001130137. The reversal of 12001130100 is 103110021.

It can be written as a sum of positive squares in 6 ways, for example, as 449609616 + 11551520484 = 21204^2 + 107478^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 4964092 + ... + 4966508.

Almost surely, 212001130100 is an apocalyptic number.

12001130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12001130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19491253782).

12001130100 is an abundant number, since it is smaller than the sum of its proper divisors (26981377464).

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

12001130100 is a wasteful number, since it uses less digits than its factorization.

12001130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

Adding to 12001130100 its reverse (103110021), we get a palindrome (12104240121).

The spelling of 12001130100 in words is "twelve billion, one million, one hundred thirty thousand, one hundred".