| Base | Representation |
|---|---|
| bin | 11011100110111100100011… |
| … | …001111001011000011111100 |
| 3 | 120220220222120021011122200020 |
| 4 | 123212330203033023003330 |
| 5 | 111403401024032331434 |
| 6 | 1110125123114132140 |
| 7 | 34401365201156364 |
| oct | 3346744317130374 |
| 9 | 526828507148606 |
| 10 | 121423611605244 |
| 11 | 35764512275a43 |
| 12 | 11750861a21050 |
| 13 | 529a274a229a0 |
| 14 | 21dad114919a4 |
| 15 | e08790636849 |
| hex | 6e6f233cb0fc |
121423611605244 has 192 divisors, whose sum is σ = 332275381132800. Its totient is φ = 34171561331712.
The previous prime is 121423611605239. The next prime is 121423611605249. The reversal of 121423611605244 is 442506116324121.
It is an interprime number because it is at equal distance from previous prime (121423611605239) and next prime (121423611605249).
It is a super-2 number, since 2×1214236116052442 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 121423611605196 and 121423611605205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121423611605249) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1271843199 + ... + 1271938665.
It is an arithmetic number, because the mean of its divisors is an integer number (1730600943400).
Almost surely, 2121423611605244 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 121423611605244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166137690566400).
121423611605244 is an abundant number, since it is smaller than the sum of its proper divisors (210851769527556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121423611605244 is a wasteful number, since it uses less digits than its factorization.
121423611605244 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110332 (or 110330 counting only the distinct ones).
The product of its (nonzero) digits is 276480, while the sum is 42.
Adding to 121423611605244 its reverse (442506116324121), we get a palindrome (563929727929365).
The spelling of 121423611605244 in words is "one hundred twenty-one trillion, four hundred twenty-three billion, six hundred eleven million, six hundred five thousand, two hundred forty-four".
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