| Base | Representation |
|---|---|
| bin | 10001100110111010010… |
| … | …101110110010110100000 |
| 3 | 11021200020211020111011222 |
| 4 | 101212322111312112200 |
| 5 | 124311101044200000 |
| 6 | 2323512154354212 |
| 7 | 153264141101654 |
| oct | 21467225662640 |
| 9 | 4250224214158 |
| 10 | 1210012100000 |
| 11 | 427188316000 |
| 12 | 17661272b968 |
| 13 | 8a146950832 |
| 14 | 427ca11aa64 |
| 15 | 2171db88a85 |
| hex | 119ba5765a0 |
1210012100000 has 288 divisors, whose sum is σ = 3275467481664. Its totient is φ = 439956000000.
The previous prime is 1210012099991. The next prime is 1210012100009. The reversal of 1210012100000 is 12100121.
Added to its reverse (12100121) it gives a square (1210024200121 = 11000112).
It is an interprime number because it is at equal distance from previous prime (1210012099991) and next prime (1210012100009).
It is a Harshad number since it is a multiple of its sum of digits (8).
It is not an unprimeable number, because it can be changed into a prime (1210012100009) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133095455 + ... + 133104545.
It is an arithmetic number, because the mean of its divisors is an integer number (11373150978).
Almost surely, 21210012100000 is an apocalyptic number.
1210012100000 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 1210012100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637733740832).
1210012100000 is an abundant number, since it is smaller than the sum of its proper divisors (2065455381664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1210012100000 is an frugal number, since it uses more digits than its factorization.
1210012100000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9159 (or 9109 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 8.
Adding to 1210012100000 its reverse (12100121), we get a palindrome (1210024200121).
1210012100000 divided by its reverse (12100121) gives a 5-th power (100000 = 105).
The spelling of 1210012100000 in words is "one trillion, two hundred ten billion, twelve million, one hundred thousand".
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