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10022221211212 = 227499361716789
BaseRepresentation
bin1001000111010111101011…
…1011110110011001001100
31022111010002211100202001001
42101311322323312121030
52303201002112224322
633152051142430044
72053036661462530
oct221657273663114
938433084322031
1010022221211212
11321444465a991
12115a459732324
13579125a80302
14269114413bc0
15125a7abba827
hex91d7aef664c

10022221211212 has 24 divisors (see below), whose sum is σ = 20044510526880. Its totient is φ = 4295223068160.

The previous prime is 10022221211209. The next prime is 10022221211221. The reversal of 10022221211212 is 21211212222001.

It is a self number, because there is not a number n which added to its sum of digits gives 10022221211212.

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, 13623714 + ... + 14340502.

It is an arithmetic number, because the mean of its divisors is an integer number (835187938620).

Almost surely, 210022221211212 is an apocalyptic number.

It is an amenable number.

10022221211212 is an abundant number, since it is smaller than the sum of its proper divisors (10022289315668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10022221211212 is a wasteful number, since it uses less digits than its factorization.

10022221211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216161 (or 1216159 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 10022221211212 its reverse (21211212222001), we get a palindrome (31233433433213).

The spelling of 10022221211212 in words is "ten trillion, twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 499361 716789 998722 1433578 1997444 2867156 3495527 5017523 6991054 10035046 13982108 20070092 357936471829 715872943658 1431745887316 2505555302803 5011110605606 10022221211212