| Base | Representation |
|---|---|
| bin | 1011000000011000111001… |
| … | …0110000010000011101100 |
| 3 | 1120211212121011121210220220 |
| 4 | 2300012032112002003230 |
| 5 | 3041231441104404400 |
| 6 | 41423133204411340 |
| 7 | 2356201524300441 |
| oct | 260061626020354 |
| 9 | 46755534553826 |
| 10 | 12101311013100 |
| 11 | 394615664a501 |
| 12 | 14353946a6b50 |
| 13 | 69a1c19c200a |
| 14 | 2db9c6bc99c8 |
| 15 | 15ebb22c37a0 |
| hex | b018e5820ec |
12101311013100 has 144 divisors (see below), whose sum is σ = 37106719767936. Its totient is φ = 3034406528000.
The previous prime is 12101311013023. The next prime is 12101311013123. The reversal of 12101311013100 is 131011310121.
It is a super-2 number, since 2×121013110131002 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 12101311013100.
It is an unprimeable number.
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, 4476655 + ... + 6651545.
It is an arithmetic number, because the mean of its divisors is an integer number (257685553944).
Almost surely, 212101311013100 is an apocalyptic number.
12101311013100 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 12101311013100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18553359883968).
12101311013100 is an abundant number, since it is smaller than the sum of its proper divisors (25005408754836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12101311013100 is a wasteful number, since it uses less digits than its factorization.
12101311013100 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2176016 (or 2176009 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 15.
Adding to 12101311013100 its reverse (131011310121), we get a palindrome (12232322323221).
The spelling of 12101311013100 in words is "twelve trillion, one hundred one billion, three hundred eleven million, thirteen thousand, one hundred".
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