Base | Representation |
---|---|
bin | 11011110001000110000100… |
… | …001000101111101100111110 |
3 | 121000101122200222220002121111 |
4 | 123301012010020233230332 |
5 | 112001312323113342342 |
6 | 1111421342323352234 |
7 | 34502644524625132 |
oct | 3361060410575476 |
9 | 530348628802544 |
10 | 122121022012222 |
11 | 35a03264268012 |
12 | 11843a5722267a |
13 | 531ac6982185c |
14 | 22229908a33c2 |
15 | e1b9ac1b7217 |
hex | 6f118422fb3e |
122121022012222 has 16 divisors (see below), whose sum is σ = 183953300374080. Its totient is φ = 60803269991968.
The previous prime is 122121022012051. The next prime is 122121022012229. The reversal of 122121022012222 is 222210220121221.
It is a super-2 number, since 2×1221210220122222 (a number of 29 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 122121022012193 and 122121022012202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122121022012229) 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, 12938568 + ... + 20289124.
It is an arithmetic number, because the mean of its divisors is an integer number (11497081273380).
Almost surely, 2122121022012222 is an apocalyptic number.
122121022012222 is a deficient number, since it is larger than the sum of its proper divisors (61832278361858).
122121022012222 is a wasteful number, since it uses less digits than its factorization.
122121022012222 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7385555.
The product of its (nonzero) digits is 512, while the sum is 22.
Adding to 122121022012222 its reverse (222210220121221), we get a palindrome (344331242133443).
The spelling of 122121022012222 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, twenty-two million, twelve thousand, two hundred twenty-two".
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