| Base | Representation |
|---|---|
| bin | 11011010010011001111111… |
| … | …110110001101001110011010 |
| 3 | 120201221001021001202202220220 |
| 4 | 123102121333312031032122 |
| 5 | 111212234311000214320 |
| 6 | 1103124450214100510 |
| 7 | 34164406144636512 |
| oct | 3322317766151632 |
| 9 | 521831231682826 |
| 10 | 120012121101210 |
| 11 | 3526a944719a28 |
| 12 | 115631a064a736 |
| 13 | 51c712c6b2700 |
| 14 | 218c890bb2842 |
| 15 | dd1bcd847e40 |
| hex | 6d267fd8d39a |
120012121101210 has 192 divisors, whose sum is σ = 326269551052800. Its totient is φ = 28202290980864.
The previous prime is 120012121101133. The next prime is 120012121101211. The reversal of 120012121101210 is 12101121210021.
It is a happy number.
It is a super-2 number, since 2×1200121211012102 (a number of 29 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 120012121101210.
It is not an unprimeable number, because it can be changed into a prime (120012121101211) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8500039 + ... + 17671301.
It is an arithmetic number, because the mean of its divisors is an integer number (1699320578400).
Almost surely, 2120012121101210 is an apocalyptic number.
120012121101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 120012121101210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163134775526400).
120012121101210 is an abundant number, since it is smaller than the sum of its proper divisors (206257429951590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120012121101210 is a wasteful number, since it uses less digits than its factorization.
120012121101210 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9171417 (or 9171404 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 120012121101210 its reverse (12101121210021), we get a palindrome (132113242311231).
The spelling of 120012121101210 in words is "one hundred twenty trillion, twelve billion, one hundred twenty-one million, one hundred one thousand, two hundred ten".
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