Base | Representation |
---|---|
bin | 10001110010010000111… |
… | …011000101011110111000 |
3 | 11022211201100220200010122 |
4 | 101302100323011132320 |
5 | 130011032220320440 |
6 | 2333245533032412 |
7 | 154205210416142 |
oct | 21622073053670 |
9 | 4284640820118 |
10 | 1222202120120 |
11 | 4313732635a3 |
12 | 178a55025708 |
13 | 8b33a286ca7 |
14 | 4322507dc92 |
15 | 21bd3e417b5 |
hex | 11c90ec57b8 |
1222202120120 has 48 divisors (see below), whose sum is σ = 2921232257640. Its totient is φ = 460123146752.
The previous prime is 1222202120119. The next prime is 1222202120141. The reversal of 1222202120120 is 210212022221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52851854 + ... + 52874973.
Almost surely, 21222202120120 is an apocalyptic number.
1222202120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1222202120120 is an abundant number, since it is smaller than the sum of its proper divisors (1699030137520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1222202120120 is a wasteful number, since it uses less digits than its factorization.
1222202120120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105726872 (or 105726851 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 1222202120120 its reverse (210212022221), we get a palindrome (1432414142341).
The spelling of 1222202120120 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty thousand, one hundred twenty".
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