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12001101 = 372324847
BaseRepresentation
bin101101110001…
…111101001101
3211120201102020
4231301331031
511033013401
61105120353
7204002430
oct55617515
924521366
1012001101
116857672
1240290b9
132642658
141845817
1510c0d36
hexb71f4d

12001101 has 16 divisors (see below), whose sum is σ = 19083264. Its totient is φ = 6559344.

The previous prime is 12001097. The next prime is 12001109. The reversal of 12001101 is 10110021.

12001101 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12001101 - 22 = 12001097 is a prime.

It is a super-4 number, since 4×120011014 (a number of 29 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11941 + ... + 12906.

It is an arithmetic number, because the mean of its divisors is an integer number (1192704).

Almost surely, 212001101 is an apocalyptic number.

It is an amenable number.

12001101 is a deficient number, since it is larger than the sum of its proper divisors (7082163).

12001101 is a wasteful number, since it uses less digits than its factorization.

12001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24880.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 12001101 is about 3464.2605271544. The cubic root of 12001101 is about 228.9498501320.

Adding to 12001101 its reverse (10110021), we get a palindrome (22111122).

Multiplying 12001101 by its reverse (10110021), we get a palindrome (121331383133121).

The spelling of 12001101 in words is "twelve million, one thousand, one hundred one".

Divisors: 1 3 7 21 23 69 161 483 24847 74541 173929 521787 571481 1714443 4000367 12001101