| Base | Representation |
|---|---|
| bin | 111000010110011100… |
| … | …1011000010001101000 |
| 3 | 102120100120000222011220 |
| 4 | 1300230321120101220 |
| 5 | 3440313123322212 |
| 6 | 131331534022040 |
| 7 | 11512540530450 |
| oct | 1605471302150 |
| 9 | 376316028156 |
| 10 | 121012323432 |
| 11 | 47359335760 |
| 12 | 1b552947920 |
| 13 | b546b4a810 |
| 14 | 5bdd980d60 |
| 15 | 3233cbd38c |
| hex | 1c2ce58468 |
121012323432 has 256 divisors, whose sum is σ = 417176524800. Its totient is φ = 28229575680.
The previous prime is 121012323361. The next prime is 121012323433. The reversal of 121012323432 is 234323210121.
121012323432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (121012323433) 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, 820819 + ... + 956957.
It is an arithmetic number, because the mean of its divisors is an integer number (1629595800).
Almost surely, 2121012323432 is an apocalyptic number.
121012323432 is a gapful number since it is divisible by the number (12) 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 121012323432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208588262400).
121012323432 is an abundant number, since it is smaller than the sum of its proper divisors (296164201368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121012323432 is a wasteful number, since it uses less digits than its factorization.
121012323432 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136216 (or 136212 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 24.
Adding to 121012323432 its reverse (234323210121), we get a palindrome (355335533553).
It can be divided in two parts, 121012 and 323432, that added together give a palindrome (444444).
The spelling of 121012323432 in words is "one hundred twenty-one billion, twelve million, three hundred twenty-three thousand, four hundred thirty-two".
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