| Base | Representation |
|---|---|
| bin | 11011100001000101110011… |
| … | …011100010011101101100000 |
| 3 | 120212111111221121202102222220 |
| 4 | 123201011303130103231200 |
| 5 | 111330302434424100000 |
| 6 | 1105220215150231040 |
| 7 | 34330331622413442 |
| oct | 3341056334235540 |
| 9 | 525444847672886 |
| 10 | 121021230300000 |
| 11 | 356198a753a788 |
| 12 | 116a68851b5480 |
| 13 | 526b339c42cb4 |
| 14 | 21c565cd38492 |
| 15 | ded08eb5b1a0 |
| hex | 6e1173713b60 |
121021230300000 has 576 divisors, whose sum is σ = 422322197649408. Its totient is φ = 30237465600000.
The previous prime is 121021230299933. The next prime is 121021230300007. The reversal of 121021230300000 is 3032120121.
It is a super-2 number, since 2×1210212303000002 (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 congruent number.
It is not an unprimeable number, because it can be changed into a prime (121021230300007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1137246795 + ... + 1137353205.
It is an arithmetic number, because the mean of its divisors is an integer number (733198259808).
Almost surely, 2121021230300000 is an apocalyptic number.
121021230300000 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 121021230300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211161098824704).
121021230300000 is an abundant number, since it is smaller than the sum of its proper divisors (301300967349408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121021230300000 is a wasteful number, since it uses less digits than its factorization.
121021230300000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106689 (or 106661 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 121021230300000 its reverse (3032120121), we get a palindrome (121024262420121).
The spelling of 121021230300000 in words is "one hundred twenty-one trillion, twenty-one billion, two hundred thirty million, three hundred thousand".
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