Base | Representation |
---|---|
bin | 1011000110101110001111… |
… | …1111111001010101111100 |
3 | 1121020021110102010111212020 |
4 | 2301223203333321111330 |
5 | 3100022312242430322 |
6 | 41545130330440140 |
7 | 2400103132353351 |
oct | 261534377712574 |
9 | 47207412114766 |
10 | 12210122233212 |
11 | 39883137576a2 |
12 | 14524a1293050 |
13 | 6a7542b25767 |
14 | 302d8a160628 |
15 | 16292ed4a05c |
hex | b1ae3ff957c |
12210122233212 has 48 divisors (see below), whose sum is σ = 28804578028800. Its totient is φ = 4025201766912.
The previous prime is 12210122233207. The next prime is 12210122233217. The reversal of 12210122233212 is 21233222101221.
It is an interprime number because it is at equal distance from previous prime (12210122233207) and next prime (12210122233217).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12210122233217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120598 + ... + 5377469.
It is an arithmetic number, because the mean of its divisors is an integer number (600095375600).
Almost surely, 212210122233212 is an apocalyptic number.
12210122233212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12210122233212 is an abundant number, since it is smaller than the sum of its proper divisors (16594455795588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12210122233212 is a wasteful number, since it uses less digits than its factorization.
12210122233212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7499570 (or 7499568 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 12210122233212 its reverse (21233222101221), we get a palindrome (33443344334433).
The spelling of 12210122233212 in words is "twelve trillion, two hundred ten billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred twelve".
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