Base | Representation |
---|---|
bin | 10001110010001010111… |
… | …101001010010101110100 |
3 | 11022211110101112002112112 |
4 | 101302022331022111310 |
5 | 130010331103013022 |
6 | 2333231555110152 |
7 | 154202553416534 |
oct | 21621275122564 |
9 | 4284411462475 |
10 | 1222102001012 |
11 | 4313217a0632 |
12 | 178a275a2358 |
13 | 8b322601209 |
14 | 43215a5b4c4 |
15 | 21bca2668e2 |
hex | 11c8af4a574 |
1222102001012 has 24 divisors (see below), whose sum is σ = 2273530052640. Its totient is φ = 573158829600.
The previous prime is 1222102001011. The next prime is 1222102001027. The reversal of 1222102001012 is 2101002012221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222102001011) 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, 79597718 + ... + 79613069.
It is an arithmetic number, because the mean of its divisors is an integer number (94730418860).
Almost surely, 21222102001012 is an apocalyptic number.
It is an amenable number.
1222102001012 is a deficient number, since it is larger than the sum of its proper divisors (1051428051628).
1222102001012 is a wasteful number, since it uses less digits than its factorization.
1222102001012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159210911 (or 159210909 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1222102001012 its reverse (2101002012221), we get a palindrome (3323104013233).
The spelling of 1222102001012 in words is "one trillion, two hundred twenty-two billion, one hundred two million, one thousand, twelve".
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