| Base | Representation |
|---|---|
| bin | 10110110010001001100110… |
| … | …101101011110001110101100 |
| 3 | 111010210100020222100102000000 |
| 4 | 112302021212231132032230 |
| 5 | 101113212334403241022 |
| 6 | 553040433142104300 |
| 7 | 30051310303343160 |
| oct | 2662114655361654 |
| 9 | 433710228312000 |
| 10 | 100203310212012 |
| 11 | 29a22a92357687 |
| 12 | b2a40a5a1b090 |
| 13 | 43bb1931b1647 |
| 14 | 1aa5c1a7aaca0 |
| 15 | b8b7b86626ac |
| hex | 5b2266b5e3ac |
100203310212012 has 168 divisors, whose sum is σ = 300490081629696. Its totient is φ = 28627839867744.
The previous prime is 100203310212011. The next prime is 100203310212013. The reversal of 100203310212012 is 210212013302001.
100203310212012 is a `hidden beast` number, since 100 + 20 + 331 + 0 + 212 + 0 + 1 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (100203310212011) and next prime (100203310212013).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (100203310212011) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 371833183 + ... + 372102569.
It is an arithmetic number, because the mean of its divisors is an integer number (1788631438272).
Almost surely, 2100203310212012 is an apocalyptic number.
100203310212012 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 100203310212012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150245040814848).
100203310212012 is an abundant number, since it is smaller than the sum of its proper divisors (200286771417684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
100203310212012 is a wasteful number, since it uses less digits than its factorization.
100203310212012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 287639 (or 287622 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 100203310212012 its reverse (210212013302001), we get a palindrome (310415323514013).
The spelling of 100203310212012 in words is "one hundred trillion, two hundred three billion, three hundred ten million, two hundred twelve thousand, twelve".
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