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12210211133020 = 2254530231347637
BaseRepresentation
bin1011000110101110100101…
…0011000001011001011100
31121020021200121102002110201
42301223221103001121130
53100023003022224040
641545143224113244
72400105262114435
oct261535123013134
947207617362421
1012210211133020
11398835995740a
121452507005824
136a75583809b4
14302d97ca248c
15162937a5aa9a
hexb1ae94c165c

12210211133020 has 24 divisors (see below), whose sum is σ = 25641519007104. Its totient is φ = 4884070047936.

The previous prime is 12210211132997. The next prime is 12210211133023. The reversal of 12210211133020 is 2033111201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210211133023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8386642 + ... + 9734278.

It is an arithmetic number, because the mean of its divisors is an integer number (1068396625296).

Almost surely, 212210211133020 is an apocalyptic number.

12210211133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12210211133020 is an abundant number, since it is smaller than the sum of its proper divisors (13431307874084).

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

12210211133020 is a wasteful number, since it uses less digits than its factorization.

12210211133020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800669 (or 1800667 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12210211133020 its reverse (2033111201221), we get a palindrome (14243322334241).

The spelling of 12210211133020 in words is "twelve trillion, two hundred ten billion, two hundred eleven million, one hundred thirty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 453023 906046 1347637 1812092 2265115 2695274 4530230 5390548 6738185 9060460 13476370 26952740 610510556651 1221021113302 2442042226604 3052552783255 6105105566510 12210211133020