Base | Representation |
---|---|
bin | 11011110010011010110100… |
… | …000111001001011100101100 |
3 | 121000201100120212221110111000 |
4 | 123302122310013021130230 |
5 | 112004310204412303342 |
6 | 1111531232200200300 |
7 | 34512345546233325 |
oct | 3362326407113454 |
9 | 530640525843430 |
10 | 122212021212972 |
11 | 35a38910a06449 |
12 | 11859612769090 |
13 | 532670c661282 |
14 | 222714438144c |
15 | e1e03611844c |
hex | 6f26b41c972c |
122212021212972 has 48 divisors (see below), whose sum is σ = 333522085187200. Its totient is φ = 38593269856080.
The previous prime is 122212021212887. The next prime is 122212021212973. The reversal of 122212021212972 is 279212120212221.
122212021212972 is a `hidden beast` number, since 1 + 2 + 221 + 20 + 2 + 121 + 297 + 2 = 666.
122212021212972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (122212021212973) 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, 29778755554 + ... + 29778759657.
Almost surely, 2122212021212972 is an apocalyptic number.
122212021212972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122212021212972 is an abundant number, since it is smaller than the sum of its proper divisors (211310063974228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212021212972 is a wasteful number, since it uses less digits than its factorization.
122212021212972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59557515243 (or 59557515235 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The spelling of 122212021212972 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, nine hundred seventy-two".
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