Base | Representation |
---|---|
bin | 10110100100111100… |
… | …11010100110000010 |
3 | 1011021202000212010222 |
4 | 23102132122212002 |
5 | 144311001420302 |
6 | 5322433423042 |
7 | 606241563416 |
oct | 132236324602 |
9 | 34252025128 |
10 | 12121123202 |
11 | 51600702a1 |
12 | 242340aa82 |
13 | 11b2292a66 |
14 | 82db4ad46 |
15 | 4ae1e8da2 |
hex | 2d279a982 |
12121123202 has 16 divisors (see below), whose sum is σ = 18271915200. Its totient is φ = 6030552528.
The previous prime is 12121123193. The next prime is 12121123213. The reversal of 12121123202 is 20232112121.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351308 + ... + 384264.
It is an arithmetic number, because the mean of its divisors is an integer number (1141994700).
Almost surely, 212121123202 is an apocalyptic number.
12121123202 is a deficient number, since it is larger than the sum of its proper divisors (6150791998).
12121123202 is a wasteful number, since it uses less digits than its factorization.
12121123202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33865.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 12121123202 its reverse (20232112121), we get a palindrome (32353235323).
The spelling of 12121123202 in words is "twelve billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred two".
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