Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …001010110100101110100 |
3 | 11022211110022122100222202 |
4 | 101302022321112211310 |
5 | 130010330324040422 |
6 | 2333231521444032 |
7 | 154202542061000 |
oct | 21621271264564 |
9 | 4284408570882 |
10 | 1222101002612 |
11 | 431321179506 |
12 | 178a271a0618 |
13 | 8b322341949 |
14 | 4321587b700 |
15 | 21bca11ab92 |
hex | 11c8ae56974 |
1222101002612 has 24 divisors (see below), whose sum is σ = 2494083681600. Its totient is φ = 523757571960.
The previous prime is 1222101002611. The next prime is 1222101002651. The reversal of 1222101002612 is 2162001012221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222101002611) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445370714 + ... + 445373457.
It is an arithmetic number, because the mean of its divisors is an integer number (103920153400).
Almost surely, 21222101002612 is an apocalyptic number.
It is an amenable number.
1222101002612 is an abundant number, since it is smaller than the sum of its proper divisors (1271982678988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222101002612 is an equidigital number, since it uses as much as digits as its factorization.
1222101002612 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 890744196 (or 890744180 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
Adding to 1222101002612 its reverse (2162001012221), we get a palindrome (3384102014833).
The spelling of 1222101002612 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two thousand, six hundred twelve".
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