Base | Representation |
---|---|
bin | 111000110100001111… |
… | …1101001101111101001 |
3 | 102122221020111120201021 |
4 | 1301220133221233221 |
5 | 3444340111242301 |
6 | 132015053052441 |
7 | 11546401456165 |
oct | 1615037515751 |
9 | 378836446637 |
10 | 122012212201 |
11 | 47821792a10 |
12 | 1b791787121 |
13 | b676049189 |
14 | 5c9669dca5 |
15 | 329197b8a1 |
hex | 1c687e9be9 |
122012212201 has 64 divisors (see below), whose sum is σ = 152158279680. Its totient is φ = 96374154240.
The previous prime is 122012212123. The next prime is 122012212271. The reversal of 122012212201 is 102212210221.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 122012212201 - 29 = 122012211689 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122012212271) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99764076 + ... + 99765298.
It is an arithmetic number, because the mean of its divisors is an integer number (2377473120).
Almost surely, 2122012212201 is an apocalyptic number.
122012212201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
122012212201 is a deficient number, since it is larger than the sum of its proper divisors (30146067479).
122012212201 is a wasteful number, since it uses less digits than its factorization.
122012212201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1966.
The product of its (nonzero) digits is 64, while the sum is 16.
Adding to 122012212201 its reverse (102212210221), we get a palindrome (224224422422).
The spelling of 122012212201 in words is "one hundred twenty-two billion, twelve million, two hundred twelve thousand, two hundred one".
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