| Base | Representation |
|---|---|
| bin | 11011010101010011011011… |
| … | …001000111000101010110100 |
| 3 | 120202122002011200202202111100 |
| 4 | 123111103123020320222310 |
| 5 | 111224020040113020040 |
| 6 | 1103400134520410100 |
| 7 | 34214655061011300 |
| oct | 3325233310705264 |
| 9 | 522562150682440 |
| 10 | 120211221220020 |
| 11 | 3533732452a067 |
| 12 | 115958a6916930 |
| 13 | 520cb3c44a2b8 |
| 14 | 219837b568d00 |
| 15 | dd6e82cb5b30 |
| hex | 6d54db238ab4 |
120211221220020 has 432 divisors, whose sum is σ = 449431429644288. Its totient is φ = 25842937559040.
The previous prime is 120211221219977. The next prime is 120211221220021. The reversal of 120211221220020 is 20022122112021.
It is a happy number.
120211221220020 is a `hidden beast` number, since 1 + 20 + 211 + 2 + 212 + 200 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 120211221219975 and 120211221220002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120211221220021) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 220289229 + ... + 220834251.
It is an arithmetic number, because the mean of its divisors is an integer number (1040350531584).
Almost surely, 2120211221220020 is an apocalyptic number.
120211221220020 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 120211221220020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224715714822144).
120211221220020 is an abundant number, since it is smaller than the sum of its proper divisors (329220208424268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120211221220020 is a wasteful number, since it uses less digits than its factorization.
120211221220020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 546540 (or 546528 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 120211221220020 its reverse (20022122112021), we get a palindrome (140233343332041).
The spelling of 120211221220020 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty-one million, two hundred twenty thousand, twenty".
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