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12220101202220 = 2251933165829327
BaseRepresentation
bin1011000111010011011011…
…0010101001000100101100
31121021020012212022122212222
42301310312302221010230
53100203231401432340
641553500442414512
72400605333243432
oct261646662510454
947236185278788
1012220101202220
11399157460781a
121454407201438
136a847335b452
143036555aad52
15162d15e518b5
hexb1d36ca912c

12220101202220 has 24 divisors (see below), whose sum is σ = 25795177364544. Its totient is φ = 4862713844736.

The previous prime is 12220101202219. The next prime is 12220101202237. The reversal of 12220101202220 is 2220210102221.

It is a happy number.

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, 1582910804 + ... + 1582918523.

It is an arithmetic number, because the mean of its divisors is an integer number (1074799056856).

Almost surely, 212220101202220 is an apocalyptic number.

12220101202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220101202220 is an abundant number, since it is smaller than the sum of its proper divisors (13575076162324).

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

12220101202220 is a wasteful number, since it uses less digits than its factorization.

12220101202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165829529 (or 3165829527 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220101202220 its reverse (2220210102221), we get a palindrome (14440311304441).

The spelling of 12220101202220 in words is "twelve trillion, two hundred twenty billion, one hundred one million, two hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 193 386 772 965 1930 3860 3165829327 6331658654 12663317308 15829146635 31658293270 63316586540 611005060111 1222010120222 2444020240444 3055025300555 6110050601110 12220101202220