Base | Representation |
---|---|
bin | 11011100000111101001110… |
… | …100110001110111010011010 |
3 | 120212110122011220010000110000 |
4 | 123200331032212032322122 |
5 | 111330130110141211302 |
6 | 1105212053333033430 |
7 | 34326554502062544 |
oct | 3340751646167232 |
9 | 525418156100400 |
10 | 121012022210202 |
11 | 35615a01840612 |
12 | 116a4b35485876 |
13 | 526a500335456 |
14 | 21c5028036694 |
15 | decc0157831c |
hex | 6e0f4e98ee9a |
121012022210202 has 40 divisors (see below), whose sum is σ = 271167942858516. Its totient is φ = 40335648651648.
The previous prime is 121012022210137. The next prime is 121012022210213. The reversal of 121012022210202 is 202012220210121.
It is a happy number.
121012022210202 is a `hidden beast` number, since 1 + 210 + 1 + 20 + 22 + 210 + 202 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 119295086328441 + 1716935881761 = 10922229^2 + 1310319^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11790693 + ... + 19520360.
Almost surely, 2121012022210202 is an apocalyptic number.
121012022210202 is an abundant number, since it is smaller than the sum of its proper divisors (150155920648314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121012022210202 is a wasteful number, since it uses less digits than its factorization.
121012022210202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31334924 (or 31334915 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 121012022210202 its reverse (202012220210121), we get a palindrome (323024242420323).
The spelling of 121012022210202 in words is "one hundred twenty-one trillion, twelve billion, twenty-two million, two hundred ten thousand, two hundred two".
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