Search a number
-
+
1212211000210 = 25740289429827
BaseRepresentation
bin10001101000111101011…
…001111111001110010010
311021212221001212012012111
4101220331121333032102
5124330102004001320
62324514304415534
7153402501330520
oct21507531771622
94255831765174
101212211000210
11428106564301
12176b270175aa
138a407388712
144295818d310
15217ebc39a5a
hex11a3d67f392

1212211000210 has 32 divisors (see below), whose sum is σ = 2493758897280. Its totient is φ = 415603917312.

The previous prime is 1212211000201. The next prime is 1212211000289. The reversal of 1212211000210 is 120001122121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605317 + ... + 3035143.

It is an arithmetic number, because the mean of its divisors is an integer number (77929965540).

Almost surely, 21212211000210 is an apocalyptic number.

1212211000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212211000210 is an abundant number, since it is smaller than the sum of its proper divisors (1281547897070).

1212211000210 is a wasteful number, since it uses less digits than its factorization.

1212211000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470130.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212211000210 its reverse (120001122121), we get a palindrome (1332212122331).

The spelling of 1212211000210 in words is "one trillion, two hundred twelve billion, two hundred eleven million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 40289 80578 201445 282023 402890 429827 564046 859654 1410115 2149135 2820230 3008789 4298270 6017578 15043945 30087890 17317300003 34634600006 86586500015 121221100021 173173000030 242442200042 606105500105 1212211000210