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22120120101210 = 2351666144255287
BaseRepresentation
bin1010000011110001111011…
…11001101010100101011010
32220022122220012110202000020
411001320331321222211122
510344404001221214320
6115013502021451310
74442061124364445
oct501707571524532
986278805422006
1022120120101210
1170590aa14383a
12259303b570b36
13c45bc2893471
14566895d9865c
152855dd63e940
hex141e3de6a95a

22120120101210 has 32 divisors (see below), whose sum is σ = 53091475823232. Its totient is φ = 5898344518080.

The previous prime is 22120120101181. The next prime is 22120120101283. The reversal of 22120120101210 is 1210102102122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22120120101210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21627814 + ... + 22627473.

It is an arithmetic number, because the mean of its divisors is an integer number (1659108619476).

Almost surely, 222120120101210 is an apocalyptic number.

22120120101210 is an abundant number, since it is smaller than the sum of its proper divisors (30971355722022).

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

22120120101210 is a wasteful number, since it uses less digits than its factorization.

22120120101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44271958.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22120120101210 its reverse (1210102102122), we get a palindrome (23330222203332).

The spelling of 22120120101210 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty million, one hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 16661 33322 49983 83305 99966 166610 249915 499830 44255287 88510574 132765861 221276435 265531722 442552870 663829305 1327658610 737337336707 1474674673414 2212012010121 3686686683535 4424024020242 7373373367070 11060060050605 22120120101210