| Base | Representation |
|---|---|
| bin | 11011100100001011011011… |
| … | …001000110101001010010100 |
| 3 | 120220020210122201112220120010 |
| 4 | 123210023123020311022110 |
| 5 | 111342242022344001400 |
| 6 | 1105501511005240220 |
| 7 | 34351553151244413 |
| oct | 3344133310651224 |
| 9 | 526223581486503 |
| 10 | 121233423422100 |
| 11 | 356a0895a77aa0 |
| 12 | 1171ba24263070 |
| 13 | 5285355413502 |
| 14 | 21d1a2c54947a |
| 15 | e0385d79c450 |
| hex | 6e42db235294 |
121233423422100 has 576 divisors, whose sum is σ = 409553056926720. Its totient is φ = 27378362880000.
The previous prime is 121233423422099. The next prime is 121233423422101. The reversal of 121233423422100 is 1224324332121.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (121233423422099) and next prime (121233423422101).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121233423422101) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1514980090 + ... + 1515060110.
It is an arithmetic number, because the mean of its divisors is an integer number (711029612720).
Almost surely, 2121233423422100 is an apocalyptic number.
121233423422100 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 121233423422100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204776528463360).
121233423422100 is an abundant number, since it is smaller than the sum of its proper divisors (288319633504620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121233423422100 is a wasteful number, since it uses less digits than its factorization.
121233423422100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80472 (or 80465 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 30.
Adding to 121233423422100 its reverse (1224324332121), we get a palindrome (122457747754221).
The spelling of 121233423422100 in words is "one hundred twenty-one trillion, two hundred thirty-three billion, four hundred twenty-three million, four hundred twenty-two thousand, one hundred".
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