| Base | Representation |
|---|---|
| bin | 10110010110101010… |
| … | …11010100001011100 |
| 3 | 1010222101121101022011 |
| 4 | 23023111122201130 |
| 5 | 144034314314400 |
| 6 | 5302514001004 |
| 7 | 603255364114 |
| oct | 131325324134 |
| 9 | 33871541264 |
| 10 | 12001323100 |
| 11 | 50a9485748 |
| 12 | 23ab276164 |
| 13 | 1193508b20 |
| 14 | 81bc84044 |
| 15 | 4a39328ba |
| hex | 2cb55a85c |
12001323100 has 144 divisors (see below), whose sum is σ = 28936147968. Its totient is φ = 4292616960.
The previous prime is 12001323073. The next prime is 12001323107. The reversal of 12001323100 is 132310021.
12001323100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×120013231002 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12001323107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6292347 + ... + 6294253.
It is an arithmetic number, because the mean of its divisors is an integer number (200945472).
Almost surely, 212001323100 is an apocalyptic number.
12001323100 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 12001323100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14468073984).
12001323100 is an abundant number, since it is smaller than the sum of its proper divisors (16934824868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12001323100 is a wasteful number, since it uses less digits than its factorization.
12001323100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2084 (or 2077 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 12001323100 its reverse (132310021), we get a palindrome (12133633121).
The spelling of 12001323100 in words is "twelve billion, one million, three hundred twenty-three thousand, one hundred".
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