Base | Representation |
---|---|
bin | 111000110111001110… |
… | …0110001110101011010 |
3 | 102200012012111112110200 |
4 | 1301232130301311122 |
5 | 4000041200402302 |
6 | 132033022323030 |
7 | 11552023625040 |
oct | 1615634616532 |
9 | 380165445420 |
10 | 122112122202 |
11 | 47873122864 |
12 | 1b7bb129476 |
13 | b69095aa15 |
14 | 5ca5a6a390 |
15 | 329a61481c |
hex | 1c6e731d5a |
122112122202 has 48 divisors (see below), whose sum is σ = 302643923712. Its totient is φ = 34857902880.
The previous prime is 122112122117. The next prime is 122112122269. The reversal of 122112122202 is 202221211221.
It is a happy number.
It is a super-2 number, since 2×1221121222022 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293074 + ... + 574557.
It is an arithmetic number, because the mean of its divisors is an integer number (6305081744).
Almost surely, 2122112122202 is an apocalyptic number.
122112122202 is an abundant number, since it is smaller than the sum of its proper divisors (180531801510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122112122202 is a wasteful number, since it uses less digits than its factorization.
122112122202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 868763 (or 868760 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 122112122202 its reverse (202221211221), we get a palindrome (324333333423).
The spelling of 122112122202 in words is "one hundred twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred two".
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