Base | Representation |
---|---|
bin | 1011000110001000111101… |
… | …0110101110110000010010 |
3 | 1121012022121210112012211200 |
4 | 2301202033112232300102 |
5 | 3044341312212034302 |
6 | 41540353145252030 |
7 | 2366300103562023 |
oct | 261421726566022 |
9 | 47168553465750 |
10 | 12200112221202 |
11 | 39840473244a4 |
12 | 1450568a94016 |
13 | 6a6609041129 |
14 | 3026ba952c4a |
15 | 16254616081c |
hex | b188f5aec12 |
12200112221202 has 48 divisors (see below), whose sum is σ = 26498865713112. Its totient is φ = 4056670759680.
The previous prime is 12200112221191. The next prime is 12200112221321. The reversal of 12200112221202 is 20212221100221.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 9730974541401 + 2469137679801 = 3119451^2 + 1571349^2 .
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 23 ways as a sum of consecutive naturals, for example, 12651108 + ... + 13581264.
Almost surely, 212200112221202 is an apocalyptic number.
12200112221202 is an abundant number, since it is smaller than the sum of its proper divisors (14298753491910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200112221202 is a wasteful number, since it uses less digits than its factorization.
12200112221202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931963 (or 931960 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12200112221202 its reverse (20212221100221), we get a palindrome (32412333321423).
The spelling of 12200112221202 in words is "twelve trillion, two hundred billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".
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