Base | Representation |
---|---|
bin | 11011110010011010110100… |
… | …000111001000110001100100 |
3 | 121000201100120212221022200210 |
4 | 123302122310013020301210 |
5 | 112004310204412211322 |
6 | 1111531232200135420 |
7 | 34512345546222303 |
oct | 3362326407106144 |
9 | 530640525838623 |
10 | 122212021210212 |
11 | 35a38910a0436a |
12 | 11859612767570 |
13 | 532670c65cc3b |
14 | 222714438043a |
15 | e1e03611770c |
hex | 6f26b41c8c64 |
122212021210212 has 24 divisors (see below), whose sum is σ = 292868447225536. Its totient is φ = 39636331203168.
The previous prime is 122212021210187. The next prime is 122212021210219. The reversal of 122212021210212 is 212012120212221.
It is a super-2 number, since 2×1222120212102122 (a number of 29 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (122212021210219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137626149568 + ... + 137626150455.
Almost surely, 2122212021210212 is an apocalyptic number.
122212021210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
122212021210212 is an abundant number, since it is smaller than the sum of its proper divisors (170656426015324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122212021210212 is a wasteful number, since it uses less digits than its factorization.
122212021210212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275252300067 (or 275252300065 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 21.
Adding to 122212021210212 its reverse (212012120212221), we get a palindrome (334224141422433).
The spelling of 122212021210212 in words is "one hundred twenty-two trillion, two hundred twelve billion, twenty-one million, two hundred ten thousand, two hundred twelve".
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