Base | Representation |
---|---|
bin | 1011000110110010010011… |
… | …0101110100110011001010 |
3 | 1121020101021020011111021200 |
4 | 2301230210311310303022 |
5 | 3100032024242042302 |
6 | 41545430311445030 |
7 | 2400142112234253 |
oct | 261544465646312 |
9 | 47211236144250 |
10 | 12211210112202 |
11 | 3988821843242 |
12 | 1452745686776 |
13 | 6a768732133a |
14 | 303050825b2a |
15 | 1629955d981c |
hex | b1b24d74cca |
12211210112202 has 24 divisors (see below), whose sum is σ = 26665949646336. Its totient is φ = 4038352949736.
The previous prime is 12211210112161. The next prime is 12211210112207. The reversal of 12211210112202 is 20221101211221.
12211210112202 is a `hidden beast` number, since 1 + 221 + 1 + 210 + 11 + 220 + 2 = 666.
12211210112202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×122112101122022 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (12211210112207) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2670866068 + ... + 2670870639.
It is an arithmetic number, because the mean of its divisors is an integer number (1111081235264).
Almost surely, 212211210112202 is an apocalyptic number.
12211210112202 is an abundant number, since it is smaller than the sum of its proper divisors (14454739534134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12211210112202 is a wasteful number, since it uses less digits than its factorization.
12211210112202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5341736842 (or 5341736839 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 18.
Adding to 12211210112202 its reverse (20221101211221), we get a palindrome (32432311323423).
The spelling of 12211210112202 in words is "twelve trillion, two hundred eleven billion, two hundred ten million, one hundred twelve thousand, two hundred two".
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