Base | Representation |
---|---|
bin | 11011110000110100011101… |
… | …100011111000001000100100 |
3 | 121000022211220202200110120010 |
4 | 123300310131203320020210 |
5 | 112001010121011432322 |
6 | 1111404535021410220 |
7 | 34501405250451564 |
oct | 3360643543701044 |
9 | 530284822613503 |
10 | 122102121202212 |
11 | 359a624524a778 |
12 | 11840261409970 |
13 | 5319246aa2cc8 |
14 | 2221aba588da4 |
15 | e1b252bc220c |
hex | 6f0d1d8f8224 |
122102121202212 has 48 divisors (see below), whose sum is σ = 289484735251712. Its totient is φ = 40047827893920.
The previous prime is 122102121202163. The next prime is 122102121202223. The reversal of 122102121202212 is 212202121201221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85285714 + ... + 86705577.
Almost surely, 2122102121202212 is an apocalyptic number.
122102121202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122102121202212 is an abundant number, since it is smaller than the sum of its proper divisors (167382614049500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122102121202212 is a wasteful number, since it uses less digits than its factorization.
122102121202212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171992248 (or 171992246 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122102121202212 its reverse (212202121201221), we get a palindrome (334304242403433).
Subtracting 122102121202212 from its reverse (212202121201221), we obtain a palindrome (90099999999009).
The spelling of 122102121202212 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".
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